Finding the Third Proportional to 1,323.28 and 2,828.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.28 : 2,828.72 = 2,828.72 : x
2. Step 2: Convert to fraction form
   1,323.28/2,828.72 = 2,828.72/x
3. Step 3: Cross multiply
   1,323.28x = 2,828.72 × 2,828.72
4. Step 4: Simplify right side
   1,323.28x = 8,001,649.77
5. Step 5: Solve for x
   x = 8,001,649.77/1,323.28
6. Step 6: Final answer
   x = 6,046.82