Finding the Third Proportional to 2,601.75 and 5,581.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.75 : 5,581.13 = 5,581.13 : x
2. Step 2: Convert to fraction form
   2,601.75/5,581.13 = 5,581.13/x
3. Step 3: Cross multiply
   2,601.75x = 5,581.13 × 5,581.13
4. Step 4: Simplify right side
   2,601.75x = 31,148,956.27
5. Step 5: Solve for x
   x = 31,148,956.27/2,601.75
6. Step 6: Final answer
   x = 11,972.31