Finding the Third Proportional to 8,311 and 13,851

Step by Step Solution

1. Step 1: Write the proportion equation
   8,311 : 13,851 = 13,851 : x
2. Step 2: Convert to fraction form
   8,311/13,851 = 13,851/x
3. Step 3: Cross multiply
   8,311x = 13,851 × 13,851
4. Step 4: Simplify right side
   8,311x = 191,850,201
5. Step 5: Solve for x
   x = 191,850,201/8,311
6. Step 6: Final answer
   x = 23,083.89