Finding the Third Proportional to 2,161,258 and 5,002,923

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,258 : 5,002,923 = 5,002,923 : x
2. Step 2: Convert to fraction form
   2,161,258/5,002,923 = 5,002,923/x
3. Step 3: Cross multiply
   2,161,258x = 5,002,923 × 5,002,923
4. Step 4: Simplify right side
   2,161,258x = 25,029,238,543,929
5. Step 5: Solve for x
   x = 25,029,238,543,929/2,161,258
6. Step 6: Final answer
   x = 11,580,865.66