Finding the Third Proportional to 21,800 and 33,816

Step by Step Solution

1. Step 1: Write the proportion equation
   21,800 : 33,816 = 33,816 : x
2. Step 2: Convert to fraction form
   21,800/33,816 = 33,816/x
3. Step 3: Cross multiply
   21,800x = 33,816 × 33,816
4. Step 4: Simplify right side
   21,800x = 1,143,521,856
5. Step 5: Solve for x
   x = 1,143,521,856/21,800
6. Step 6: Final answer
   x = 52,455.13