Finding the Third Proportional to 8,359 and 12,901

Step by Step Solution

1. Step 1: Write the proportion equation
   8,359 : 12,901 = 12,901 : x
2. Step 2: Convert to fraction form
   8,359/12,901 = 12,901/x
3. Step 3: Cross multiply
   8,359x = 12,901 × 12,901
4. Step 4: Simplify right side
   8,359x = 166,435,801
5. Step 5: Solve for x
   x = 166,435,801/8,359
6. Step 6: Final answer
   x = 19,910.97