Finding the Third Proportional to 8,786 and 10,613

Step by Step Solution

1. Step 1: Write the proportion equation
   8,786 : 10,613 = 10,613 : x
2. Step 2: Convert to fraction form
   8,786/10,613 = 10,613/x
3. Step 3: Cross multiply
   8,786x = 10,613 × 10,613
4. Step 4: Simplify right side
   8,786x = 112,635,769
5. Step 5: Solve for x
   x = 112,635,769/8,786
6. Step 6: Final answer
   x = 12,819.91