Finding the Third Proportional to 28.08 and 42.14

Step by Step Solution

1. Step 1: Write the proportion equation
   28.08 : 42.14 = 42.14 : x
2. Step 2: Convert to fraction form
   28.08/42.14 = 42.14/x
3. Step 3: Cross multiply
   28.08x = 42.14 × 42.14
4. Step 4: Simplify right side
   28.08x = 1,775.83
5. Step 5: Solve for x
   x = 1,775.83/28.08
6. Step 6: Final answer
   x = 63.25