Finding the Third Proportional to 5,184.56 and 8,040.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,184.56 : 8,040.94 = 8,040.94 : x
2. Step 2: Convert to fraction form
   5,184.56/8,040.94 = 8,040.94/x
3. Step 3: Cross multiply
   5,184.56x = 8,040.94 × 8,040.94
4. Step 4: Simplify right side
   5,184.56x = 64,656,675.88
5. Step 5: Solve for x
   x = 64,656,675.88/5,184.56
6. Step 6: Final answer
   x = 12,471.00