Finding the Third Proportional to 39.75 and 54.03

Step by Step Solution

1. Step 1: Write the proportion equation
   39.75 : 54.03 = 54.03 : x
2. Step 2: Convert to fraction form
   39.75/54.03 = 54.03/x
3. Step 3: Cross multiply
   39.75x = 54.03 × 54.03
4. Step 4: Simplify right side
   39.75x = 2,919.38
5. Step 5: Solve for x
   x = 2,919.38/39.75
6. Step 6: Final answer
   x = 73.44