Finding the Third Proportional to 21,624 and 30,924

Step by Step Solution

1. Step 1: Write the proportion equation
   21,624 : 30,924 = 30,924 : x
2. Step 2: Convert to fraction form
   21,624/30,924 = 30,924/x
3. Step 3: Cross multiply
   21,624x = 30,924 × 30,924
4. Step 4: Simplify right side
   21,624x = 956,293,776
5. Step 5: Solve for x
   x = 956,293,776/21,624
6. Step 6: Final answer
   x = 44,223.72