Finding the Third Proportional to 2.42 and 5.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2.42 : 5.16 = 5.16 : x
2. Step 2: Convert to fraction form
   2.42/5.16 = 5.16/x
3. Step 3: Cross multiply
   2.42x = 5.16 × 5.16
4. Step 4: Simplify right side
   2.42x = 26.59
5. Step 5: Solve for x
   x = 26.59/2.42
6. Step 6: Final answer
   x = 10.98