Finding the Third Proportional to 54,153 and 112,639.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,153 : 112,639.50 = 112,639.50 : x
2. Step 2: Convert to fraction form
   54,153/112,639.50 = 112,639.50/x
3. Step 3: Cross multiply
   54,153x = 112,639.50 × 112,639.50
4. Step 4: Simplify right side
   54,153x = 12,687,656,960.25
5. Step 5: Solve for x
   x = 12,687,656,960.25/54,153
6. Step 6: Final answer
   x = 234,292.78