Finding the Third Proportional to 11,209 and 20,006

Step by Step Solution

1. Step 1: Write the proportion equation
   11,209 : 20,006 = 20,006 : x
2. Step 2: Convert to fraction form
   11,209/20,006 = 20,006/x
3. Step 3: Cross multiply
   11,209x = 20,006 × 20,006
4. Step 4: Simplify right side
   11,209x = 400,240,036
5. Step 5: Solve for x
   x = 400,240,036/11,209
6. Step 6: Final answer
   x = 35,707.02