Finding the Third Proportional to 5,958.56 and 8,765.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,958.56 : 8,765.72 = 8,765.72 : x
2. Step 2: Convert to fraction form
   5,958.56/8,765.72 = 8,765.72/x
3. Step 3: Cross multiply
   5,958.56x = 8,765.72 × 8,765.72
4. Step 4: Simplify right side
   5,958.56x = 76,837,825.20
5. Step 5: Solve for x
   x = 76,837,825.20/5,958.56
6. Step 6: Final answer
   x = 12,895.36