Finding the Third Proportional to 63,208,566,728 and 91,325,463,554

Step by Step Solution

1. Step 1: Write the proportion equation
   63,208,566,728 : 91,325,463,554 = 91,325,463,554 : x
2. Step 2: Convert to fraction form
   63,208,566,728/91,325,463,554 = 91,325,463,554/x
3. Step 3: Cross multiply
   63,208,566,728x = 91,325,463,554 × 91,325,463,554
4. Step 4: Simplify right side
   63,208,566,728x = 8,340,340,293,352,982,315,008
5. Step 5: Solve for x
   x = 8,340,340,293,352,982,315,008/63,208,566,728
6. Step 6: Final answer
   x = 131,949,524,013.78