Finding the Third Proportional to 40.25 and 67.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40.25 : 67.25 = 67.25 : x
2. Step 2: Convert to fraction form
   40.25/67.25 = 67.25/x
3. Step 3: Cross multiply
   40.25x = 67.25 × 67.25
4. Step 4: Simplify right side
   40.25x = 4,522.56
5. Step 5: Solve for x
   x = 4,522.56/40.25
6. Step 6: Final answer
   x = 112.36