Finding the Third Proportional to 112.15 and 160.55

Step by Step Solution

1. Step 1: Write the proportion equation
   112.15 : 160.55 = 160.55 : x
2. Step 2: Convert to fraction form
   112.15/160.55 = 160.55/x
3. Step 3: Cross multiply
   112.15x = 160.55 × 160.55
4. Step 4: Simplify right side
   112.15x = 25,775.30
5. Step 5: Solve for x
   x = 25,775.30/112.15
6. Step 6: Final answer
   x = 229.83