Finding the Third Proportional to 9,996 and 21,718

Step by Step Solution

1. Step 1: Write the proportion equation
   9,996 : 21,718 = 21,718 : x
2. Step 2: Convert to fraction form
   9,996/21,718 = 21,718/x
3. Step 3: Cross multiply
   9,996x = 21,718 × 21,718
4. Step 4: Simplify right side
   9,996x = 471,671,524
5. Step 5: Solve for x
   x = 471,671,524/9,996
6. Step 6: Final answer
   x = 47,186.03