Finding the Third Proportional to 563,276,308.50 and 861,654,793.50

Step by Step Solution

1. Step 1: Write the proportion equation
   563,276,308.50 : 861,654,793.50 = 861,654,793.50 : x
2. Step 2: Convert to fraction form
   563,276,308.50/861,654,793.50 = 861,654,793.50/x
3. Step 3: Cross multiply
   563,276,308.50x = 861,654,793.50 × 861,654,793.50
4. Step 4: Simplify right side
   563,276,308.50x = 742,448,983,161,527,680
5. Step 5: Solve for x
   x = 742,448,983,161,527,680/563,276,308.50
6. Step 6: Final answer
   x = 1,318,090,201.84