Finding the Third Proportional to 2,161,868 and 5,004,198

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,868 : 5,004,198 = 5,004,198 : x
2. Step 2: Convert to fraction form
   2,161,868/5,004,198 = 5,004,198/x
3. Step 3: Cross multiply
   2,161,868x = 5,004,198 × 5,004,198
4. Step 4: Simplify right side
   2,161,868x = 25,041,997,623,204
5. Step 5: Solve for x
   x = 25,041,997,623,204/2,161,868
6. Step 6: Final answer
   x = 11,583,499.84