Finding the Third Proportional to 21,836 and 33,605

Step by Step Solution

1. Step 1: Write the proportion equation
   21,836 : 33,605 = 33,605 : x
2. Step 2: Convert to fraction form
   21,836/33,605 = 33,605/x
3. Step 3: Cross multiply
   21,836x = 33,605 × 33,605
4. Step 4: Simplify right side
   21,836x = 1,129,296,025
5. Step 5: Solve for x
   x = 1,129,296,025/21,836
6. Step 6: Final answer
   x = 51,717.17