Finding the Third Proportional to 54,072.50 and 72,330

Step by Step Solution

1. Step 1: Write the proportion equation
   54,072.50 : 72,330 = 72,330 : x
2. Step 2: Convert to fraction form
   54,072.50/72,330 = 72,330/x
3. Step 3: Cross multiply
   54,072.50x = 72,330 × 72,330
4. Step 4: Simplify right side
   54,072.50x = 5,231,628,900
5. Step 5: Solve for x
   x = 5,231,628,900/54,072.50
6. Step 6: Final answer
   x = 96,752.12