Finding the Third Proportional to 20,086 and 41,636

Step by Step Solution

1. Step 1: Write the proportion equation
   20,086 : 41,636 = 41,636 : x
2. Step 2: Convert to fraction form
   20,086/41,636 = 41,636/x
3. Step 3: Cross multiply
   20,086x = 41,636 × 41,636
4. Step 4: Simplify right side
   20,086x = 1,733,556,496
5. Step 5: Solve for x
   x = 1,733,556,496/20,086
6. Step 6: Final answer
   x = 86,306.71