Finding the Third Proportional to 16,826 and 34,730

Step by Step Solution

1. Step 1: Write the proportion equation
   16,826 : 34,730 = 34,730 : x
2. Step 2: Convert to fraction form
   16,826/34,730 = 34,730/x
3. Step 3: Cross multiply
   16,826x = 34,730 × 34,730
4. Step 4: Simplify right side
   16,826x = 1,206,172,900
5. Step 5: Solve for x
   x = 1,206,172,900/16,826
6. Step 6: Final answer
   x = 71,685.06