Finding the Third Proportional to 50.70 and 117.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50.70 : 117.42 = 117.42 : x
2. Step 2: Convert to fraction form
   50.70/117.42 = 117.42/x
3. Step 3: Cross multiply
   50.70x = 117.42 × 117.42
4. Step 4: Simplify right side
   50.70x = 13,787.90
5. Step 5: Solve for x
   x = 13,787.90/50.70
6. Step 6: Final answer
   x = 271.98