Finding the Third Proportional to 478,966.50 and 736,426.50

Step by Step Solution

1. Step 1: Write the proportion equation
   478,966.50 : 736,426.50 = 736,426.50 : x
2. Step 2: Convert to fraction form
   478,966.50/736,426.50 = 736,426.50/x
3. Step 3: Cross multiply
   478,966.50x = 736,426.50 × 736,426.50
4. Step 4: Simplify right side
   478,966.50x = 542,323,989,902.25
5. Step 5: Solve for x
   x = 542,323,989,902.25/478,966.50
6. Step 6: Final answer
   x = 1,132,279.59