Finding the Third Proportional to 56,293.25 and 123,658.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,293.25 : 123,658.25 = 123,658.25 : x
2. Step 2: Convert to fraction form
   56,293.25/123,658.25 = 123,658.25/x
3. Step 3: Cross multiply
   56,293.25x = 123,658.25 × 123,658.25
4. Step 4: Simplify right side
   56,293.25x = 15,291,362,793.06
5. Step 5: Solve for x
   x = 15,291,362,793.06/56,293.25
6. Step 6: Final answer
   x = 271,637.59