Finding the Third Proportional to 56,702.25 and 123,610.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,702.25 : 123,610.50 = 123,610.50 : x
2. Step 2: Convert to fraction form
   56,702.25/123,610.50 = 123,610.50/x
3. Step 3: Cross multiply
   56,702.25x = 123,610.50 × 123,610.50
4. Step 4: Simplify right side
   56,702.25x = 15,279,555,710.25
5. Step 5: Solve for x
   x = 15,279,555,710.25/56,702.25
6. Step 6: Final answer
   x = 269,470.01