Finding the Third Proportional to 39.94 and 62.81

Step by Step Solution

1. Step 1: Write the proportion equation
   39.94 : 62.81 = 62.81 : x
2. Step 2: Convert to fraction form
   39.94/62.81 = 62.81/x
3. Step 3: Cross multiply
   39.94x = 62.81 × 62.81
4. Step 4: Simplify right side
   39.94x = 3,945.41
5. Step 5: Solve for x
   x = 3,945.41/39.94
6. Step 6: Final answer
   x = 98.79