Finding the Third Proportional to 124,249.50 and 165,540

Step by Step Solution

1. Step 1: Write the proportion equation
   124,249.50 : 165,540 = 165,540 : x
2. Step 2: Convert to fraction form
   124,249.50/165,540 = 165,540/x
3. Step 3: Cross multiply
   124,249.50x = 165,540 × 165,540
4. Step 4: Simplify right side
   124,249.50x = 27,403,491,600
5. Step 5: Solve for x
   x = 27,403,491,600/124,249.50
6. Step 6: Final answer
   x = 220,552.13