Finding the Third Proportional to 2,610.56 and 5,715.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.56 : 5,715.56 = 5,715.56 : x
2. Step 2: Convert to fraction form
   2,610.56/5,715.56 = 5,715.56/x
3. Step 3: Cross multiply
   2,610.56x = 5,715.56 × 5,715.56
4. Step 4: Simplify right side
   2,610.56x = 32,667,654.69
5. Step 5: Solve for x
   x = 32,667,654.69/2,610.56
6. Step 6: Final answer
   x = 12,513.65