Finding the Third Proportional to 16,987 and 34,730

Step by Step Solution

1. Step 1: Write the proportion equation
   16,987 : 34,730 = 34,730 : x
2. Step 2: Convert to fraction form
   16,987/34,730 = 34,730/x
3. Step 3: Cross multiply
   16,987x = 34,730 × 34,730
4. Step 4: Simplify right side
   16,987x = 1,206,172,900
5. Step 5: Solve for x
   x = 1,206,172,900/16,987
6. Step 6: Final answer
   x = 71,005.65