Finding the Third Proportional to 16,306 and 17,818

Step by Step Solution

1. Step 1: Write the proportion equation
   16,306 : 17,818 = 17,818 : x
2. Step 2: Convert to fraction form
   16,306/17,818 = 17,818/x
3. Step 3: Cross multiply
   16,306x = 17,818 × 17,818
4. Step 4: Simplify right side
   16,306x = 317,481,124
5. Step 5: Solve for x
   x = 317,481,124/16,306
6. Step 6: Final answer
   x = 19,470.20