Finding the Third Proportional to 54,540 and 73,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,540 : 73,291.50 = 73,291.50 : x
2. Step 2: Convert to fraction form
   54,540/73,291.50 = 73,291.50/x
3. Step 3: Cross multiply
   54,540x = 73,291.50 × 73,291.50
4. Step 4: Simplify right side
   54,540x = 5,371,643,972.25
5. Step 5: Solve for x
   x = 5,371,643,972.25/54,540
6. Step 6: Final answer
   x = 98,489.99