Finding the Third Proportional to 199,672,915,715.50 and 404,901,963,546

Step by Step Solution

1. Step 1: Write the proportion equation
   199,672,915,715.50 : 404,901,963,546 = 404,901,963,546 : x
2. Step 2: Convert to fraction form
   199,672,915,715.50/404,901,963,546 = 404,901,963,546/x
3. Step 3: Cross multiply
   199,672,915,715.50x = 404,901,963,546 × 404,901,963,546
4. Step 4: Simplify right side
   199,672,915,715.50x = 163,945,600,083,406,297,759,744
5. Step 5: Solve for x
   x = 163,945,600,083,406,297,759,744/199,672,915,715.50
6. Step 6: Final answer
   x = 821,070,797,188.14