Finding the Third Proportional to 15,300 and 16,884

Step by Step Solution

1. Step 1: Write the proportion equation
   15,300 : 16,884 = 16,884 : x
2. Step 2: Convert to fraction form
   15,300/16,884 = 16,884/x
3. Step 3: Cross multiply
   15,300x = 16,884 × 16,884
4. Step 4: Simplify right side
   15,300x = 285,069,456
5. Step 5: Solve for x
   x = 285,069,456/15,300
6. Step 6: Final answer
   x = 18,631.99