Finding the Third Proportional to 1,021,944 and 2,149,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,944 : 2,149,720 = 2,149,720 : x
2. Step 2: Convert to fraction form
   1,021,944/2,149,720 = 2,149,720/x
3. Step 3: Cross multiply
   1,021,944x = 2,149,720 × 2,149,720
4. Step 4: Simplify right side
   1,021,944x = 4,621,296,078,400
5. Step 5: Solve for x
   x = 4,621,296,078,400/1,021,944
6. Step 6: Final answer
   x = 4,522,063.91