Finding the Third Proportional to 6,292.37 and 8,515.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,292.37 : 8,515.28 = 8,515.28 : x
2. Step 2: Convert to fraction form
   6,292.37/8,515.28 = 8,515.28/x
3. Step 3: Cross multiply
   6,292.37x = 8,515.28 × 8,515.28
4. Step 4: Simplify right side
   6,292.37x = 72,510,048.03
5. Step 5: Solve for x
   x = 72,510,048.03/6,292.37
6. Step 6: Final answer
   x = 11,523.49