Finding the Third Proportional to 9,996 and 21,647

Step by Step Solution

1. Step 1: Write the proportion equation
   9,996 : 21,647 = 21,647 : x
2. Step 2: Convert to fraction form
   9,996/21,647 = 21,647/x
3. Step 3: Cross multiply
   9,996x = 21,647 × 21,647
4. Step 4: Simplify right side
   9,996x = 468,592,609
5. Step 5: Solve for x
   x = 468,592,609/9,996
6. Step 6: Final answer
   x = 46,878.01