Finding the Third Proportional to 22.46 and 40.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22.46 : 40.18 = 40.18 : x
2. Step 2: Convert to fraction form
   22.46/40.18 = 40.18/x
3. Step 3: Cross multiply
   22.46x = 40.18 × 40.18
4. Step 4: Simplify right side
   22.46x = 1,614.72
5. Step 5: Solve for x
   x = 1,614.72/22.46
6. Step 6: Final answer
   x = 71.88