Finding the Third Proportional to 67.75 and 112.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67.75 : 112.56 = 112.56 : x
2. Step 2: Convert to fraction form
   67.75/112.56 = 112.56/x
3. Step 3: Cross multiply
   67.75x = 112.56 × 112.56
4. Step 4: Simplify right side
   67.75x = 12,670.32
5. Step 5: Solve for x
   x = 12,670.32/67.75
6. Step 6: Final answer
   x = 187.02