Finding the Third Proportional to 11.81 and 26.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11.81 : 26.72 = 26.72 : x
2. Step 2: Convert to fraction form
   11.81/26.72 = 26.72/x
3. Step 3: Cross multiply
   11.81x = 26.72 × 26.72
4. Step 4: Simplify right side
   11.81x = 713.89
5. Step 5: Solve for x
   x = 713.89/11.81
6. Step 6: Final answer
   x = 60.44