Finding the Third Proportional to 4.94 and 10.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4.94 : 10.56 = 10.56 : x
2. Step 2: Convert to fraction form
   4.94/10.56 = 10.56/x
3. Step 3: Cross multiply
   4.94x = 10.56 × 10.56
4. Step 4: Simplify right side
   4.94x = 111.57
5. Step 5: Solve for x
   x = 111.57/4.94
6. Step 6: Final answer
   x = 22.60