Finding the Third Proportional to 40.82 and 87.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40.82 : 87.25 = 87.25 : x
2. Step 2: Convert to fraction form
   40.82/87.25 = 87.25/x
3. Step 3: Cross multiply
   40.82x = 87.25 × 87.25
4. Step 4: Simplify right side
   40.82x = 7,612.39
5. Step 5: Solve for x
   x = 7,612.39/40.82
6. Step 6: Final answer
   x = 186.50