Finding the Third Proportional to 135.42 and 135.42

Step by Step Solution

1. Step 1: Write the proportion equation
   135.42 : 135.42 = 135.42 : x
2. Step 2: Convert to fraction form
   135.42/135.42 = 135.42/x
3. Step 3: Cross multiply
   135.42x = 135.42 × 135.42
4. Step 4: Simplify right side
   135.42x = 18,339.08
5. Step 5: Solve for x
   x = 18,339.08/135.42
6. Step 6: Final answer
   x = 135.42