Finding the Third Proportional to 11,688 and 13,704

Step by Step Solution

1. Step 1: Write the proportion equation
   11,688 : 13,704 = 13,704 : x
2. Step 2: Convert to fraction form
   11,688/13,704 = 13,704/x
3. Step 3: Cross multiply
   11,688x = 13,704 × 13,704
4. Step 4: Simplify right side
   11,688x = 187,799,616
5. Step 5: Solve for x
   x = 187,799,616/11,688
6. Step 6: Final answer
   x = 16,067.73