Finding the Third Proportional to 2,553,183 and 5,509,843

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553,183 : 5,509,843 = 5,509,843 : x
2. Step 2: Convert to fraction form
   2,553,183/5,509,843 = 5,509,843/x
3. Step 3: Cross multiply
   2,553,183x = 5,509,843 × 5,509,843
4. Step 4: Simplify right side
   2,553,183x = 30,358,369,884,649
5. Step 5: Solve for x
   x = 30,358,369,884,649/2,553,183
6. Step 6: Final answer
   x = 11,890,401.07