Finding the Third Proportional to 72.02 and 108.22

Step by Step Solution

1. Step 1: Write the proportion equation
   72.02 : 108.22 = 108.22 : x
2. Step 2: Convert to fraction form
   72.02/108.22 = 108.22/x
3. Step 3: Cross multiply
   72.02x = 108.22 × 108.22
4. Step 4: Simplify right side
   72.02x = 11,712.14
5. Step 5: Solve for x
   x = 11,712.14/72.02
6. Step 6: Final answer
   x = 162.62