Finding the Third Proportional to 54,484 and 83,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,484 : 83,311.50 = 83,311.50 : x
2. Step 2: Convert to fraction form
   54,484/83,311.50 = 83,311.50/x
3. Step 3: Cross multiply
   54,484x = 83,311.50 × 83,311.50
4. Step 4: Simplify right side
   54,484x = 6,940,806,032.25
5. Step 5: Solve for x
   x = 6,940,806,032.25/54,484
6. Step 6: Final answer
   x = 127,391.64