Finding the Third Proportional to 12,816 and 17,104

Step by Step Solution

1. Step 1: Write the proportion equation
   12,816 : 17,104 = 17,104 : x
2. Step 2: Convert to fraction form
   12,816/17,104 = 17,104/x
3. Step 3: Cross multiply
   12,816x = 17,104 × 17,104
4. Step 4: Simplify right side
   12,816x = 292,546,816
5. Step 5: Solve for x
   x = 292,546,816/12,816
6. Step 6: Final answer
   x = 22,826.69