Finding the Third Proportional to 12.50 and 28.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12.50 : 28.25 = 28.25 : x
2. Step 2: Convert to fraction form
   12.50/28.25 = 28.25/x
3. Step 3: Cross multiply
   12.50x = 28.25 × 28.25
4. Step 4: Simplify right side
   12.50x = 798.06
5. Step 5: Solve for x
   x = 798.06/12.50
6. Step 6: Final answer
   x = 63.85