Finding the Third Proportional to 67.92 and 112.92

Step by Step Solution

1. Step 1: Write the proportion equation
   67.92 : 112.92 = 112.92 : x
2. Step 2: Convert to fraction form
   67.92/112.92 = 112.92/x
3. Step 3: Cross multiply
   67.92x = 112.92 × 112.92
4. Step 4: Simplify right side
   67.92x = 12,751.35
5. Step 5: Solve for x
   x = 12,751.35/67.92
6. Step 6: Final answer
   x = 187.74