Finding the Third Proportional to 16,104 and 20,736

Step by Step Solution

1. Step 1: Write the proportion equation
   16,104 : 20,736 = 20,736 : x
2. Step 2: Convert to fraction form
   16,104/20,736 = 20,736/x
3. Step 3: Cross multiply
   16,104x = 20,736 × 20,736
4. Step 4: Simplify right side
   16,104x = 429,981,696
5. Step 5: Solve for x
   x = 429,981,696/16,104
6. Step 6: Final answer
   x = 26,700.30