Finding the Third Proportional to 31,101,940.50 and 69,107,025

Step by Step Solution

1. Step 1: Write the proportion equation
   31,101,940.50 : 69,107,025 = 69,107,025 : x
2. Step 2: Convert to fraction form
   31,101,940.50/69,107,025 = 69,107,025/x
3. Step 3: Cross multiply
   31,101,940.50x = 69,107,025 × 69,107,025
4. Step 4: Simplify right side
   31,101,940.50x = 4,775,780,904,350,625
5. Step 5: Solve for x
   x = 4,775,780,904,350,625/31,101,940.50
6. Step 6: Final answer
   x = 153,552,505.97