Finding the Third Proportional to 16,424 and 33,816

Step by Step Solution

1. Step 1: Write the proportion equation
   16,424 : 33,816 = 33,816 : x
2. Step 2: Convert to fraction form
   16,424/33,816 = 33,816/x
3. Step 3: Cross multiply
   16,424x = 33,816 × 33,816
4. Step 4: Simplify right side
   16,424x = 1,143,521,856
5. Step 5: Solve for x
   x = 1,143,521,856/16,424
6. Step 6: Final answer
   x = 69,625.05