Finding the Third Proportional to 16,880 and 16,880

Step by Step Solution

1. Step 1: Write the proportion equation
   16,880 : 16,880 = 16,880 : x
2. Step 2: Convert to fraction form
   16,880/16,880 = 16,880/x
3. Step 3: Cross multiply
   16,880x = 16,880 × 16,880
4. Step 4: Simplify right side
   16,880x = 284,934,400
5. Step 5: Solve for x
   x = 284,934,400/16,880
6. Step 6: Final answer
   x = 16,880