Finding the Third Proportional to 131.41 and 171.07

Step by Step Solution

1. Step 1: Write the proportion equation
   131.41 : 171.07 = 171.07 : x
2. Step 2: Convert to fraction form
   131.41/171.07 = 171.07/x
3. Step 3: Cross multiply
   131.41x = 171.07 × 171.07
4. Step 4: Simplify right side
   131.41x = 29,265.05
5. Step 5: Solve for x
   x = 29,265.05/131.41
6. Step 6: Final answer
   x = 222.69