Finding the Third Proportional to 10,422 and 21,924

Step by Step Solution

1. Step 1: Write the proportion equation
   10,422 : 21,924 = 21,924 : x
2. Step 2: Convert to fraction form
   10,422/21,924 = 21,924/x
3. Step 3: Cross multiply
   10,422x = 21,924 × 21,924
4. Step 4: Simplify right side
   10,422x = 480,661,776
5. Step 5: Solve for x
   x = 480,661,776/10,422
6. Step 6: Final answer
   x = 46,119.92