Finding the Third Proportional to 9,643 and 20,996

Step by Step Solution

1. Step 1: Write the proportion equation
   9,643 : 20,996 = 20,996 : x
2. Step 2: Convert to fraction form
   9,643/20,996 = 20,996/x
3. Step 3: Cross multiply
   9,643x = 20,996 × 20,996
4. Step 4: Simplify right side
   9,643x = 440,832,016
5. Step 5: Solve for x
   x = 440,832,016/9,643
6. Step 6: Final answer
   x = 45,715.24