Finding the Third Proportional to 41.41 and 90.69

Step by Step Solution

1. Step 1: Write the proportion equation
   41.41 : 90.69 = 90.69 : x
2. Step 2: Convert to fraction form
   41.41/90.69 = 90.69/x
3. Step 3: Cross multiply
   41.41x = 90.69 × 90.69
4. Step 4: Simplify right side
   41.41x = 8,224.22
5. Step 5: Solve for x
   x = 8,224.22/41.41
6. Step 6: Final answer
   x = 198.62