Finding the Third Proportional to 56,565 and 124,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,565 : 124,429.50 = 124,429.50 : x
2. Step 2: Convert to fraction form
   56,565/124,429.50 = 124,429.50/x
3. Step 3: Cross multiply
   56,565x = 124,429.50 × 124,429.50
4. Step 4: Simplify right side
   56,565x = 15,482,700,470.25
5. Step 5: Solve for x
   x = 15,482,700,470.25/56,565
6. Step 6: Final answer
   x = 273,715.20