Finding the Third Proportional to 56,728.13 and 123,843.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,728.13 : 123,843.38 = 123,843.38 : x
2. Step 2: Convert to fraction form
   56,728.13/123,843.38 = 123,843.38/x
3. Step 3: Cross multiply
   56,728.13x = 123,843.38 × 123,843.38
4. Step 4: Simplify right side
   56,728.13x = 15,337,181,531.39
5. Step 5: Solve for x
   x = 15,337,181,531.39/56,728.13
6. Step 6: Final answer
   x = 270,362.92