Finding the Third Proportional to 57,434.91 and 123,712.03

Step by Step Solution

1. Step 1: Write the proportion equation
   57,434.91 : 123,712.03 = 123,712.03 : x
2. Step 2: Convert to fraction form
   57,434.91/123,712.03 = 123,712.03/x
3. Step 3: Cross multiply
   57,434.91x = 123,712.03 × 123,712.03
4. Step 4: Simplify right side
   57,434.91x = 15,304,666,676.00
5. Step 5: Solve for x
   x = 15,304,666,676.00/57,434.91
6. Step 6: Final answer
   x = 266,469.78