Finding the Third Proportional to 23.91 and 51.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23.91 : 51.56 = 51.56 : x
2. Step 2: Convert to fraction form
   23.91/51.56 = 51.56/x
3. Step 3: Cross multiply
   23.91x = 51.56 × 51.56
4. Step 4: Simplify right side
   23.91x = 2,658.69
5. Step 5: Solve for x
   x = 2,658.69/23.91
6. Step 6: Final answer
   x = 111.21