Finding the Third Proportional to 40.79 and 55.41

Step by Step Solution

1. Step 1: Write the proportion equation
   40.79 : 55.41 = 55.41 : x
2. Step 2: Convert to fraction form
   40.79/55.41 = 55.41/x
3. Step 3: Cross multiply
   40.79x = 55.41 × 55.41
4. Step 4: Simplify right side
   40.79x = 3,069.85
5. Step 5: Solve for x
   x = 3,069.85/40.79
6. Step 6: Final answer
   x = 75.25