Finding the Third Proportional to 8,439 and 12,333

Step by Step Solution

1. Step 1: Write the proportion equation
   8,439 : 12,333 = 12,333 : x
2. Step 2: Convert to fraction form
   8,439/12,333 = 12,333/x
3. Step 3: Cross multiply
   8,439x = 12,333 × 12,333
4. Step 4: Simplify right side
   8,439x = 152,102,889
5. Step 5: Solve for x
   x = 152,102,889/8,439
6. Step 6: Final answer
   x = 18,023.80