Finding the Third Proportional to 5,880.94 and 8,658.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,880.94 : 8,658.56 = 8,658.56 : x
2. Step 2: Convert to fraction form
   5,880.94/8,658.56 = 8,658.56/x
3. Step 3: Cross multiply
   5,880.94x = 8,658.56 × 8,658.56
4. Step 4: Simplify right side
   5,880.94x = 74,970,704.57
5. Step 5: Solve for x
   x = 74,970,704.57/5,880.94
6. Step 6: Final answer
   x = 12,748.09