Finding the Third Proportional to 239,233.50 and 518,076

Step by Step Solution

1. Step 1: Write the proportion equation
   239,233.50 : 518,076 = 518,076 : x
2. Step 2: Convert to fraction form
   239,233.50/518,076 = 518,076/x
3. Step 3: Cross multiply
   239,233.50x = 518,076 × 518,076
4. Step 4: Simplify right side
   239,233.50x = 268,402,741,776
5. Step 5: Solve for x
   x = 268,402,741,776/239,233.50
6. Step 6: Final answer
   x = 1,121,927.91