Finding the Third Proportional to 12,020 and 13,694

Step by Step Solution

1. Step 1: Write the proportion equation
   12,020 : 13,694 = 13,694 : x
2. Step 2: Convert to fraction form
   12,020/13,694 = 13,694/x
3. Step 3: Cross multiply
   12,020x = 13,694 × 13,694
4. Step 4: Simplify right side
   12,020x = 187,525,636
5. Step 5: Solve for x
   x = 187,525,636/12,020
6. Step 6: Final answer
   x = 15,601.13