Finding the Third Proportional to 54,831.25 and 119,578

Step by Step Solution

1. Step 1: Write the proportion equation
   54,831.25 : 119,578 = 119,578 : x
2. Step 2: Convert to fraction form
   54,831.25/119,578 = 119,578/x
3. Step 3: Cross multiply
   54,831.25x = 119,578 × 119,578
4. Step 4: Simplify right side
   54,831.25x = 14,298,898,084
5. Step 5: Solve for x
   x = 14,298,898,084/54,831.25
6. Step 6: Final answer
   x = 260,780.09