As per Vedic astrology, the 10th house represents one's profession, career, reputation and social status in society. If the Moon is placed in this house for Sagittarius lagna, it is considered a somewhat challenging placement as the Moon is in an enemy sign state. However, because of its position as lord of the eighth house, it can also bring about some unexpected positive changes.
Firstly, let us understand the significance of Moon being lord of the eighth house. The eighth house represents transformation and hidden aspects of life like secrets and mysteries. It also includes sudden gains or losses, inheritance matters, and unexpected events leading to change. Therefore, with Moon as lord of this crucial house positioned in the tenth house for Sagittarius lagna, we can expect some surprising changes related to work or career that may lead to transformational growth.
However, since Moon is in an enemy sign state in this placement, there may be some challenges or obstacles faced before these transformations take place. These challenges could include difficulties in finding stability and satisfaction at work or facing continuous setbacks.
But here's where things get interesting - as stated previously moon is also a natural karaka of the fourth house which represents domestic comforts, motherhood nurturing aspect and real estate properties. This means that despite all obstacles faced at work or career front individual will find peace at home-front or in motherly activities and involvement in real estate investment may provide additional sources of income too.
Moreover Moon will have direct aspect on fourth house which further strengthens chances of comforts from home-front prominentning yet again highligting health benefits due to either nutritional food cooked by good mother/nurturing activities like gardening/kitchen-gardening/yoga/meditation etc...
On another note Jupiter is lord of Sagittarius ascendant sign which signifies higher education/intellect/spiritual inclination/past karmas/some sort of eminence and fame thus providing independent/professional choices to earn or scale up in career/business. Since Moon is placed in 10th house and Jupiter's placement is benefic positive, these emotions would not affect decision-making activities but rather enhance it.
Overall, while this placement of the Moon in the 10th house for Sagittarius lagna may not appear very promising due to its enemy state, with a thoughtful approach and effort, the individual can navigate through challenging times. The combination also has potential to bring forth wonderful outcomes if properly nurtured & utilized from pursuing motherly activities/hobbies to making significant strides at work-place or high chances of success travelling abroad - "where there seems to be no way".