Finding the Third Proportional to 11,033,920 and 17,221,568

Step by Step Solution

1. Step 1: Write the proportion equation
   11,033,920 : 17,221,568 = 17,221,568 : x
2. Step 2: Convert to fraction form
   11,033,920/17,221,568 = 17,221,568/x
3. Step 3: Cross multiply
   11,033,920x = 17,221,568 × 17,221,568
4. Step 4: Simplify right side
   11,033,920x = 296,582,404,378,624
5. Step 5: Solve for x
   x = 296,582,404,378,624/11,033,920
6. Step 6: Final answer
   x = 26,879,151.23