Finding the Third Proportional to 2,558.25 and 5,508.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.25 : 5,508.84 = 5,508.84 : x
2. Step 2: Convert to fraction form
   2,558.25/5,508.84 = 5,508.84/x
3. Step 3: Cross multiply
   2,558.25x = 5,508.84 × 5,508.84
4. Step 4: Simplify right side
   2,558.25x = 30,347,359.46
5. Step 5: Solve for x
   x = 30,347,359.46/2,558.25
6. Step 6: Final answer
   x = 11,862.55