Finding the Third Proportional to 12,822 and 20,043

Step by Step Solution

1. Step 1: Write the proportion equation
   12,822 : 20,043 = 20,043 : x
2. Step 2: Convert to fraction form
   12,822/20,043 = 20,043/x
3. Step 3: Cross multiply
   12,822x = 20,043 × 20,043
4. Step 4: Simplify right side
   12,822x = 401,721,849
5. Step 5: Solve for x
   x = 401,721,849/12,822
6. Step 6: Final answer
   x = 31,330.67