Finding the Third Proportional to 13,878 and 16,308

Step by Step Solution

1. Step 1: Write the proportion equation
   13,878 : 16,308 = 16,308 : x
2. Step 2: Convert to fraction form
   13,878/16,308 = 16,308/x
3. Step 3: Cross multiply
   13,878x = 16,308 × 16,308
4. Step 4: Simplify right side
   13,878x = 265,950,864
5. Step 5: Solve for x
   x = 265,950,864/13,878
6. Step 6: Final answer
   x = 19,163.49