Finding the Third Proportional to 81,607,792 and 172,426,524

Step by Step Solution

1. Step 1: Write the proportion equation
   81,607,792 : 172,426,524 = 172,426,524 : x
2. Step 2: Convert to fraction form
   81,607,792/172,426,524 = 172,426,524/x
3. Step 3: Cross multiply
   81,607,792x = 172,426,524 × 172,426,524
4. Step 4: Simplify right side
   81,607,792x = 29,730,906,178,722,576
5. Step 5: Solve for x
   x = 29,730,906,178,722,576/81,607,792
6. Step 6: Final answer
   x = 364,314,551.96