Finding the Third Proportional to 39,318,665,168 and 86,651,726,377

Step by Step Solution

1. Step 1: Write the proportion equation
   39,318,665,168 : 86,651,726,377 = 86,651,726,377 : x
2. Step 2: Convert to fraction form
   39,318,665,168/86,651,726,377 = 86,651,726,377/x
3. Step 3: Cross multiply
   39,318,665,168x = 86,651,726,377 × 86,651,726,377
4. Step 4: Simplify right side
   39,318,665,168x = 7,508,521,684,114,477,154,304
5. Step 5: Solve for x
   x = 7,508,521,684,114,477,154,304/39,318,665,168
6. Step 6: Final answer
   x = 190,965,833,962.88