Finding the Third Proportional to 11,863 and 16,086

Step by Step Solution

1. Step 1: Write the proportion equation
   11,863 : 16,086 = 16,086 : x
2. Step 2: Convert to fraction form
   11,863/16,086 = 16,086/x
3. Step 3: Cross multiply
   11,863x = 16,086 × 16,086
4. Step 4: Simplify right side
   11,863x = 258,759,396
5. Step 5: Solve for x
   x = 258,759,396/11,863
6. Step 6: Final answer
   x = 21,812.31