Finding the Third Proportional to 17,908 and 19,924

Step by Step Solution

1. Step 1: Write the proportion equation
   17,908 : 19,924 = 19,924 : x
2. Step 2: Convert to fraction form
   17,908/19,924 = 19,924/x
3. Step 3: Cross multiply
   17,908x = 19,924 × 19,924
4. Step 4: Simplify right side
   17,908x = 396,965,776
5. Step 5: Solve for x
   x = 396,965,776/17,908
6. Step 6: Final answer
   x = 22,166.95