Finding the Third Proportional to 2,551.50 and 5,604.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.50 : 5,604.19 = 5,604.19 : x
2. Step 2: Convert to fraction form
   2,551.50/5,604.19 = 5,604.19/x
3. Step 3: Cross multiply
   2,551.50x = 5,604.19 × 5,604.19
4. Step 4: Simplify right side
   2,551.50x = 31,406,917.54
5. Step 5: Solve for x
   x = 31,406,917.54/2,551.50
6. Step 6: Final answer
   x = 12,309.20