Finding the Third Proportional to 42.53 and 60.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42.53 : 60.28 = 60.28 : x
2. Step 2: Convert to fraction form
   42.53/60.28 = 60.28/x
3. Step 3: Cross multiply
   42.53x = 60.28 × 60.28
4. Step 4: Simplify right side
   42.53x = 3,633.83
5. Step 5: Solve for x
   x = 3,633.83/42.53
6. Step 6: Final answer
   x = 85.44