Finding the Third Proportional to 57,451.50 and 123,654.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,451.50 : 123,654.38 = 123,654.38 : x
2. Step 2: Convert to fraction form
   57,451.50/123,654.38 = 123,654.38/x
3. Step 3: Cross multiply
   57,451.50x = 123,654.38 × 123,654.38
4. Step 4: Simplify right side
   57,451.50x = 15,290,404,456.64
5. Step 5: Solve for x
   x = 15,290,404,456.64/57,451.50
6. Step 6: Final answer
   x = 266,144.56