Finding the Third Proportional to 1,021,906 and 2,149,676

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,906 : 2,149,676 = 2,149,676 : x
2. Step 2: Convert to fraction form
   1,021,906/2,149,676 = 2,149,676/x
3. Step 3: Cross multiply
   1,021,906x = 2,149,676 × 2,149,676
4. Step 4: Simplify right side
   1,021,906x = 4,621,106,904,976
5. Step 5: Solve for x
   x = 4,621,106,904,976/1,021,906
6. Step 6: Final answer
   x = 4,522,046.94