Finding the Third Proportional to 124,311.38 and 272,131.88

Step by Step Solution

1. Step 1: Write the proportion equation
   124,311.38 : 272,131.88 = 272,131.88 : x
2. Step 2: Convert to fraction form
   124,311.38/272,131.88 = 272,131.88/x
3. Step 3: Cross multiply
   124,311.38x = 272,131.88 × 272,131.88
4. Step 4: Simplify right side
   124,311.38x = 74,055,757,391.02
5. Step 5: Solve for x
   x = 74,055,757,391.02/124,311.38
6. Step 6: Final answer
   x = 595,727.92