Finding the Third Proportional to 8,601.75 and 13,057.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,601.75 : 13,057.88 = 13,057.88 : x
2. Step 2: Convert to fraction form
   8,601.75/13,057.88 = 13,057.88/x
3. Step 3: Cross multiply
   8,601.75x = 13,057.88 × 13,057.88
4. Step 4: Simplify right side
   8,601.75x = 170,508,099.52
5. Step 5: Solve for x
   x = 170,508,099.52/8,601.75
6. Step 6: Final answer
   x = 19,822.49