Finding the Third Proportional to 1,021,923 and 2,109,446

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,923 : 2,109,446 = 2,109,446 : x
2. Step 2: Convert to fraction form
   1,021,923/2,109,446 = 2,109,446/x
3. Step 3: Cross multiply
   1,021,923x = 2,109,446 × 2,109,446
4. Step 4: Simplify right side
   1,021,923x = 4,449,762,426,916
5. Step 5: Solve for x
   x = 4,449,762,426,916/1,021,923
6. Step 6: Final answer
   x = 4,354,303.04