Finding the Third Proportional to 6,816 and 17,928

Step by Step Solution

1. Step 1: Write the proportion equation
   6,816 : 17,928 = 17,928 : x
2. Step 2: Convert to fraction form
   6,816/17,928 = 17,928/x
3. Step 3: Cross multiply
   6,816x = 17,928 × 17,928
4. Step 4: Simplify right side
   6,816x = 321,413,184
5. Step 5: Solve for x
   x = 321,413,184/6,816
6. Step 6: Final answer
   x = 47,155.69