Finding the Third Proportional to 2,631.23 and 5,559.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631.23 : 5,559.34 = 5,559.34 : x
2. Step 2: Convert to fraction form
   2,631.23/5,559.34 = 5,559.34/x
3. Step 3: Cross multiply
   2,631.23x = 5,559.34 × 5,559.34
4. Step 4: Simplify right side
   2,631.23x = 30,906,226.92
5. Step 5: Solve for x
   x = 30,906,226.92/2,631.23
6. Step 6: Final answer
   x = 11,745.90