Finding the Third Proportional to 28.88 and 38.63

Step by Step Solution

1. Step 1: Write the proportion equation
   28.88 : 38.63 = 38.63 : x
2. Step 2: Convert to fraction form
   28.88/38.63 = 38.63/x
3. Step 3: Cross multiply
   28.88x = 38.63 × 38.63
4. Step 4: Simplify right side
   28.88x = 1,491.89
5. Step 5: Solve for x
   x = 1,491.89/28.88
6. Step 6: Final answer
   x = 51.67