Finding the Third Proportional to 482,940 and 709,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   482,940 : 709,591.50 = 709,591.50 : x
2. Step 2: Convert to fraction form
   482,940/709,591.50 = 709,591.50/x
3. Step 3: Cross multiply
   482,940x = 709,591.50 × 709,591.50
4. Step 4: Simplify right side
   482,940x = 503,520,096,872.25
5. Step 5: Solve for x
   x = 503,520,096,872.25/482,940
6. Step 6: Final answer
   x = 1,042,614.19