Finding the Third Proportional to 5,547.09 and 8,323.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,547.09 : 8,323.31 = 8,323.31 : x
2. Step 2: Convert to fraction form
   5,547.09/8,323.31 = 8,323.31/x
3. Step 3: Cross multiply
   5,547.09x = 8,323.31 × 8,323.31
4. Step 4: Simplify right side
   5,547.09x = 69,277,530.97
5. Step 5: Solve for x
   x = 69,277,530.97/5,547.09
6. Step 6: Final answer
   x = 12,488.98