Finding the Third Proportional to 3.42 and 3.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3.42 : 3.42 = 3.42 : x
2. Step 2: Convert to fraction form
   3.42/3.42 = 3.42/x
3. Step 3: Cross multiply
   3.42x = 3.42 × 3.42
4. Step 4: Simplify right side
   3.42x = 11.70
5. Step 5: Solve for x
   x = 11.70/3.42
6. Step 6: Final answer
   x = 3.42