Finding the Third Proportional to 42.26 and 91.41

Step by Step Solution

1. Step 1: Write the proportion equation
   42.26 : 91.41 = 91.41 : x
2. Step 2: Convert to fraction form
   42.26/91.41 = 91.41/x
3. Step 3: Cross multiply
   42.26x = 91.41 × 91.41
4. Step 4: Simplify right side
   42.26x = 8,355.10
5. Step 5: Solve for x
   x = 8,355.10/42.26
6. Step 6: Final answer
   x = 197.72