Finding the Third Proportional to 13,228 and 20,086

Step by Step Solution

1. Step 1: Write the proportion equation
   13,228 : 20,086 = 20,086 : x
2. Step 2: Convert to fraction form
   13,228/20,086 = 20,086/x
3. Step 3: Cross multiply
   13,228x = 20,086 × 20,086
4. Step 4: Simplify right side
   13,228x = 403,447,396
5. Step 5: Solve for x
   x = 403,447,396/13,228
6. Step 6: Final answer
   x = 30,499.50