Finding the Third Proportional to 40.92 and 58.43

Step by Step Solution

1. Step 1: Write the proportion equation
   40.92 : 58.43 = 58.43 : x
2. Step 2: Convert to fraction form
   40.92/58.43 = 58.43/x
3. Step 3: Cross multiply
   40.92x = 58.43 × 58.43
4. Step 4: Simplify right side
   40.92x = 3,414.03
5. Step 5: Solve for x
   x = 3,414.03/40.92
6. Step 6: Final answer
   x = 83.43