Finding the Third Proportional to 136.05 and 191.43

Step by Step Solution

1. Step 1: Write the proportion equation
   136.05 : 191.43 = 191.43 : x
2. Step 2: Convert to fraction form
   136.05/191.43 = 191.43/x
3. Step 3: Cross multiply
   136.05x = 191.43 × 191.43
4. Step 4: Simplify right side
   136.05x = 36,643.83
5. Step 5: Solve for x
   x = 36,643.83/136.05
6. Step 6: Final answer
   x = 269.33