Finding the Third Proportional to 43.88 and 67.92

Step by Step Solution

1. Step 1: Write the proportion equation
   43.88 : 67.92 = 67.92 : x
2. Step 2: Convert to fraction form
   43.88/67.92 = 67.92/x
3. Step 3: Cross multiply
   43.88x = 67.92 × 67.92
4. Step 4: Simplify right side
   43.88x = 4,613.38
5. Step 5: Solve for x
   x = 4,613.38/43.88
6. Step 6: Final answer
   x = 105.15