Finding the Third Proportional to 80.62 and 111.33

Step by Step Solution

1. Step 1: Write the proportion equation
   80.62 : 111.33 = 111.33 : x
2. Step 2: Convert to fraction form
   80.62/111.33 = 111.33/x
3. Step 3: Cross multiply
   80.62x = 111.33 × 111.33
4. Step 4: Simplify right side
   80.62x = 12,393.38
5. Step 5: Solve for x
   x = 12,393.38/80.62
6. Step 6: Final answer
   x = 153.72