Finding the Third Proportional to 239,963 and 525,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   239,963 : 525,123.50 = 525,123.50 : x
2. Step 2: Convert to fraction form
   239,963/525,123.50 = 525,123.50/x
3. Step 3: Cross multiply
   239,963x = 525,123.50 × 525,123.50
4. Step 4: Simplify right side
   239,963x = 275,754,690,252.25
5. Step 5: Solve for x
   x = 275,754,690,252.25/239,963
6. Step 6: Final answer
   x = 1,149,155.04