Finding the Third Proportional to 56,446.25 and 124,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,446.25 : 124,411.50 = 124,411.50 : x
2. Step 2: Convert to fraction form
   56,446.25/124,411.50 = 124,411.50/x
3. Step 3: Cross multiply
   56,446.25x = 124,411.50 × 124,411.50
4. Step 4: Simplify right side
   56,446.25x = 15,478,221,332.25
5. Step 5: Solve for x
   x = 15,478,221,332.25/56,446.25
6. Step 6: Final answer
   x = 274,211.69