Finding the Third Proportional to 45.42 and 51.05

Step by Step Solution

1. Step 1: Write the proportion equation
   45.42 : 51.05 = 51.05 : x
2. Step 2: Convert to fraction form
   45.42/51.05 = 51.05/x
3. Step 3: Cross multiply
   45.42x = 51.05 × 51.05
4. Step 4: Simplify right side
   45.42x = 2,605.78
5. Step 5: Solve for x
   x = 2,605.78/45.42
6. Step 6: Final answer
   x = 57.37