Finding the Third Proportional to 4.56 and 4.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4.56 : 4.56 = 4.56 : x
2. Step 2: Convert to fraction form
   4.56/4.56 = 4.56/x
3. Step 3: Cross multiply
   4.56x = 4.56 × 4.56
4. Step 4: Simplify right side
   4.56x = 20.81
5. Step 5: Solve for x
   x = 20.81/4.56
6. Step 6: Final answer
   x = 4.56