Finding the Third Proportional to 5,579.89 and 12,013.95

Step by Step Solution

1. Step 1: Write the proportion equation
   5,579.89 : 12,013.95 = 12,013.95 : x
2. Step 2: Convert to fraction form
   5,579.89/12,013.95 = 12,013.95/x
3. Step 3: Cross multiply
   5,579.89x = 12,013.95 × 12,013.95
4. Step 4: Simplify right side
   5,579.89x = 144,335,000.76
5. Step 5: Solve for x
   x = 144,335,000.76/5,579.89
6. Step 6: Final answer
   x = 25,866.98