Finding the Third Proportional to 2,590.31 and 5,324.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.31 : 5,324.06 = 5,324.06 : x
2. Step 2: Convert to fraction form
   2,590.31/5,324.06 = 5,324.06/x
3. Step 3: Cross multiply
   2,590.31x = 5,324.06 × 5,324.06
4. Step 4: Simplify right side
   2,590.31x = 28,345,641.50
5. Step 5: Solve for x
   x = 28,345,641.50/2,590.31
6. Step 6: Final answer
   x = 10,942.94