Finding the Third Proportional to 26.06 and 56.31

Step by Step Solution

1. Step 1: Write the proportion equation
   26.06 : 56.31 = 56.31 : x
2. Step 2: Convert to fraction form
   26.06/56.31 = 56.31/x
3. Step 3: Cross multiply
   26.06x = 56.31 × 56.31
4. Step 4: Simplify right side
   26.06x = 3,171.10
5. Step 5: Solve for x
   x = 3,171.10/26.06
6. Step 6: Final answer
   x = 121.67