Finding the Third Proportional to 54,337.50 and 83,119.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,337.50 : 83,119.50 = 83,119.50 : x
2. Step 2: Convert to fraction form
   54,337.50/83,119.50 = 83,119.50/x
3. Step 3: Cross multiply
   54,337.50x = 83,119.50 × 83,119.50
4. Step 4: Simplify right side
   54,337.50x = 6,908,851,280.25
5. Step 5: Solve for x
   x = 6,908,851,280.25/54,337.50
6. Step 6: Final answer
   x = 127,147.02