Finding the Third Proportional to 40.06 and 57.56

Step by Step Solution

1. Step 1: Write the proportion equation
   40.06 : 57.56 = 57.56 : x
2. Step 2: Convert to fraction form
   40.06/57.56 = 57.56/x
3. Step 3: Cross multiply
   40.06x = 57.56 × 57.56
4. Step 4: Simplify right side
   40.06x = 3,313.44
5. Step 5: Solve for x
   x = 3,313.44/40.06
6. Step 6: Final answer
   x = 82.71