Finding the Third Proportional to 1,015,923 and 2,171,811

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,923 : 2,171,811 = 2,171,811 : x
2. Step 2: Convert to fraction form
   1,015,923/2,171,811 = 2,171,811/x
3. Step 3: Cross multiply
   1,015,923x = 2,171,811 × 2,171,811
4. Step 4: Simplify right side
   1,015,923x = 4,716,763,019,721
5. Step 5: Solve for x
   x = 4,716,763,019,721/1,015,923
6. Step 6: Final answer
   x = 4,642,835.16