Finding the Third Proportional to 4,821 and 10,443

Step by Step Solution

1. Step 1: Write the proportion equation
   4,821 : 10,443 = 10,443 : x
2. Step 2: Convert to fraction form
   4,821/10,443 = 10,443/x
3. Step 3: Cross multiply
   4,821x = 10,443 × 10,443
4. Step 4: Simplify right side
   4,821x = 109,056,249
5. Step 5: Solve for x
   x = 109,056,249/4,821
6. Step 6: Final answer
   x = 22,621.08