Finding the Third Proportional to 40.75 and 104.88

Step by Step Solution

1. Step 1: Write the proportion equation
   40.75 : 104.88 = 104.88 : x
2. Step 2: Convert to fraction form
   40.75/104.88 = 104.88/x
3. Step 3: Cross multiply
   40.75x = 104.88 × 104.88
4. Step 4: Simplify right side
   40.75x = 10,998.77
5. Step 5: Solve for x
   x = 10,998.77/40.75
6. Step 6: Final answer
   x = 269.91