Finding the Third Proportional to 12,786 and 17,065

Step by Step Solution

1. Step 1: Write the proportion equation
   12,786 : 17,065 = 17,065 : x
2. Step 2: Convert to fraction form
   12,786/17,065 = 17,065/x
3. Step 3: Cross multiply
   12,786x = 17,065 × 17,065
4. Step 4: Simplify right side
   12,786x = 291,214,225
5. Step 5: Solve for x
   x = 291,214,225/12,786
6. Step 6: Final answer
   x = 22,776.02