Finding the Third Proportional to 9,929 and 21,694

Step by Step Solution

1. Step 1: Write the proportion equation
   9,929 : 21,694 = 21,694 : x
2. Step 2: Convert to fraction form
   9,929/21,694 = 21,694/x
3. Step 3: Cross multiply
   9,929x = 21,694 × 21,694
4. Step 4: Simplify right side
   9,929x = 470,629,636
5. Step 5: Solve for x
   x = 470,629,636/9,929
6. Step 6: Final answer
   x = 47,399.50