Finding the Third Proportional to 492,142.50 and 703,762.50

Step by Step Solution

1. Step 1: Write the proportion equation
   492,142.50 : 703,762.50 = 703,762.50 : x
2. Step 2: Convert to fraction form
   492,142.50/703,762.50 = 703,762.50/x
3. Step 3: Cross multiply
   492,142.50x = 703,762.50 × 703,762.50
4. Step 4: Simplify right side
   492,142.50x = 495,281,656,406.25
5. Step 5: Solve for x
   x = 495,281,656,406.25/492,142.50
6. Step 6: Final answer
   x = 1,006,378.55