Finding the Third Proportional to 54,552 and 74,040

Step by Step Solution

1. Step 1: Write the proportion equation
   54,552 : 74,040 = 74,040 : x
2. Step 2: Convert to fraction form
   54,552/74,040 = 74,040/x
3. Step 3: Cross multiply
   54,552x = 74,040 × 74,040
4. Step 4: Simplify right side
   54,552x = 5,481,921,600
5. Step 5: Solve for x
   x = 5,481,921,600/54,552
6. Step 6: Final answer
   x = 100,489.84