Finding the Third Proportional to 16,820 and 24,740

Step by Step Solution

1. Step 1: Write the proportion equation
   16,820 : 24,740 = 24,740 : x
2. Step 2: Convert to fraction form
   16,820/24,740 = 24,740/x
3. Step 3: Cross multiply
   16,820x = 24,740 × 24,740
4. Step 4: Simplify right side
   16,820x = 612,067,600
5. Step 5: Solve for x
   x = 612,067,600/16,820
6. Step 6: Final answer
   x = 36,389.27