Finding the Third Proportional to 5,958.56 and 12,708.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,958.56 : 12,708.56 = 12,708.56 : x
2. Step 2: Convert to fraction form
   5,958.56/12,708.56 = 12,708.56/x
3. Step 3: Cross multiply
   5,958.56x = 12,708.56 × 12,708.56
4. Step 4: Simplify right side
   5,958.56x = 161,507,560.82
5. Step 5: Solve for x
   x = 161,507,560.82/5,958.56
6. Step 6: Final answer
   x = 27,105.12