Finding the Third Proportional to 2,016.50 and 4,275.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.50 : 4,275.50 = 4,275.50 : x
2. Step 2: Convert to fraction form
   2,016.50/4,275.50 = 4,275.50/x
3. Step 3: Cross multiply
   2,016.50x = 4,275.50 × 4,275.50
4. Step 4: Simplify right side
   2,016.50x = 18,279,900.25
5. Step 5: Solve for x
   x = 18,279,900.25/2,016.50
6. Step 6: Final answer
   x = 9,065.16