Finding the Third Proportional to 28.75 and 38.74

Step by Step Solution

1. Step 1: Write the proportion equation
   28.75 : 38.74 = 38.74 : x
2. Step 2: Convert to fraction form
   28.75/38.74 = 38.74/x
3. Step 3: Cross multiply
   28.75x = 38.74 × 38.74
4. Step 4: Simplify right side
   28.75x = 1,500.96
5. Step 5: Solve for x
   x = 1,500.96/28.75
6. Step 6: Final answer
   x = 52.21