Finding the Third Proportional to 8,121 and 10,799

Step by Step Solution

1. Step 1: Write the proportion equation
   8,121 : 10,799 = 10,799 : x
2. Step 2: Convert to fraction form
   8,121/10,799 = 10,799/x
3. Step 3: Cross multiply
   8,121x = 10,799 × 10,799
4. Step 4: Simplify right side
   8,121x = 116,618,401
5. Step 5: Solve for x
   x = 116,618,401/8,121
6. Step 6: Final answer
   x = 14,360.10