Finding the Third Proportional to 397,882,451.25 and 856,231,096.50

Step by Step Solution

1. Step 1: Write the proportion equation
   397,882,451.25 : 856,231,096.50 = 856,231,096.50 : x
2. Step 2: Convert to fraction form
   397,882,451.25/856,231,096.50 = 856,231,096.50/x
3. Step 3: Cross multiply
   397,882,451.25x = 856,231,096.50 × 856,231,096.50
4. Step 4: Simplify right side
   397,882,451.25x = 733,131,690,613,592,320
5. Step 5: Solve for x
   x = 733,131,690,613,592,320/397,882,451.25
6. Step 6: Final answer
   x = 1,842,583,628.18