Finding the Third Proportional to 10.42 and 15.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10.42 : 15.59 = 15.59 : x
2. Step 2: Convert to fraction form
   10.42/15.59 = 15.59/x
3. Step 3: Cross multiply
   10.42x = 15.59 × 15.59
4. Step 4: Simplify right side
   10.42x = 242.92
5. Step 5: Solve for x
   x = 242.92/10.42
6. Step 6: Final answer
   x = 23.32