Finding the Third Proportional to 239,440 and 523,753.50

Step by Step Solution

1. Step 1: Write the proportion equation
   239,440 : 523,753.50 = 523,753.50 : x
2. Step 2: Convert to fraction form
   239,440/523,753.50 = 523,753.50/x
3. Step 3: Cross multiply
   239,440x = 523,753.50 × 523,753.50
4. Step 4: Simplify right side
   239,440x = 274,317,728,762.25
5. Step 5: Solve for x
   x = 274,317,728,762.25/239,440
6. Step 6: Final answer
   x = 1,145,663.75