Finding the Third Proportional to 54,624 and 81,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,624 : 81,949.50 = 81,949.50 : x
2. Step 2: Convert to fraction form
   54,624/81,949.50 = 81,949.50/x
3. Step 3: Cross multiply
   54,624x = 81,949.50 × 81,949.50
4. Step 4: Simplify right side
   54,624x = 6,715,720,550.25
5. Step 5: Solve for x
   x = 6,715,720,550.25/54,624
6. Step 6: Final answer
   x = 122,944.50