Finding the Third Proportional to 42.38 and 62.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42.38 : 62.06 = 62.06 : x
2. Step 2: Convert to fraction form
   42.38/62.06 = 62.06/x
3. Step 3: Cross multiply
   42.38x = 62.06 × 62.06
4. Step 4: Simplify right side
   42.38x = 3,851.75
5. Step 5: Solve for x
   x = 3,851.75/42.38
6. Step 6: Final answer
   x = 90.90