Finding the Third Proportional to 12,222 and 13,806

Step by Step Solution

1. Step 1: Write the proportion equation
   12,222 : 13,806 = 13,806 : x
2. Step 2: Convert to fraction form
   12,222/13,806 = 13,806/x
3. Step 3: Cross multiply
   12,222x = 13,806 × 13,806
4. Step 4: Simplify right side
   12,222x = 190,605,636
5. Step 5: Solve for x
   x = 190,605,636/12,222
6. Step 6: Final answer
   x = 15,595.29