Finding the Third Proportional to 32.72 and 71.91

Step by Step Solution

1. Step 1: Write the proportion equation
   32.72 : 71.91 = 71.91 : x
2. Step 2: Convert to fraction form
   32.72/71.91 = 71.91/x
3. Step 3: Cross multiply
   32.72x = 71.91 × 71.91
4. Step 4: Simplify right side
   32.72x = 5,170.51
5. Step 5: Solve for x
   x = 5,170.51/32.72
6. Step 6: Final answer
   x = 158.03