Finding the Third Proportional to 402,324.47 and 563,892.89

Step by Step Solution

1. Step 1: Write the proportion equation
   402,324.47 : 563,892.89 = 563,892.89 : x
2. Step 2: Convert to fraction form
   402,324.47/563,892.89 = 563,892.89/x
3. Step 3: Cross multiply
   402,324.47x = 563,892.89 × 563,892.89
4. Step 4: Simplify right side
   402,324.47x = 317,975,192,097.42
5. Step 5: Solve for x
   x = 317,975,192,097.42/402,324.47
6. Step 6: Final answer
   x = 790,345.15