Finding the Third Proportional to 1,028,907 and 2,215,845

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028,907 : 2,215,845 = 2,215,845 : x
2. Step 2: Convert to fraction form
   1,028,907/2,215,845 = 2,215,845/x
3. Step 3: Cross multiply
   1,028,907x = 2,215,845 × 2,215,845
4. Step 4: Simplify right side
   1,028,907x = 4,909,969,064,025
5. Step 5: Solve for x
   x = 4,909,969,064,025/1,028,907
6. Step 6: Final answer
   x = 4,772,024.16