Finding the Third Proportional to 239,955.50 and 525,108

Step by Step Solution

1. Step 1: Write the proportion equation
   239,955.50 : 525,108 = 525,108 : x
2. Step 2: Convert to fraction form
   239,955.50/525,108 = 525,108/x
3. Step 3: Cross multiply
   239,955.50x = 525,108 × 525,108
4. Step 4: Simplify right side
   239,955.50x = 275,738,411,664
5. Step 5: Solve for x
   x = 275,738,411,664/239,955.50
6. Step 6: Final answer
   x = 1,149,123.12