Finding the Third Proportional to 2,579.25 and 5,411.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.25 : 5,411.63 = 5,411.63 : x
2. Step 2: Convert to fraction form
   2,579.25/5,411.63 = 5,411.63/x
3. Step 3: Cross multiply
   2,579.25x = 5,411.63 × 5,411.63
4. Step 4: Simplify right side
   2,579.25x = 29,285,685.14
5. Step 5: Solve for x
   x = 29,285,685.14/2,579.25
6. Step 6: Final answer
   x = 11,354.34