Finding the Third Proportional to 40.13 and 58.88

Step by Step Solution

1. Step 1: Write the proportion equation
   40.13 : 58.88 = 58.88 : x
2. Step 2: Convert to fraction form
   40.13/58.88 = 58.88/x
3. Step 3: Cross multiply
   40.13x = 58.88 × 58.88
4. Step 4: Simplify right side
   40.13x = 3,466.27
5. Step 5: Solve for x
   x = 3,466.27/40.13
6. Step 6: Final answer
   x = 86.39