Finding the Third Proportional to 2,166.28 and 4,481.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166.28 : 4,481.10 = 4,481.10 : x
2. Step 2: Convert to fraction form
   2,166.28/4,481.10 = 4,481.10/x
3. Step 3: Cross multiply
   2,166.28x = 4,481.10 × 4,481.10
4. Step 4: Simplify right side
   2,166.28x = 20,080,288.72
5. Step 5: Solve for x
   x = 20,080,288.72/2,166.28
6. Step 6: Final answer
   x = 9,269.50