Finding the Third Proportional to 41.81 and 56.81

Step by Step Solution

1. Step 1: Write the proportion equation
   41.81 : 56.81 = 56.81 : x
2. Step 2: Convert to fraction form
   41.81/56.81 = 56.81/x
3. Step 3: Cross multiply
   41.81x = 56.81 × 56.81
4. Step 4: Simplify right side
   41.81x = 3,227.66
5. Step 5: Solve for x
   x = 3,227.66/41.81
6. Step 6: Final answer
   x = 77.19