Finding the Third Proportional to 1,809,978 and 3,574,268

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809,978 : 3,574,268 = 3,574,268 : x
2. Step 2: Convert to fraction form
   1,809,978/3,574,268 = 3,574,268/x
3. Step 3: Cross multiply
   1,809,978x = 3,574,268 × 3,574,268
4. Step 4: Simplify right side
   1,809,978x = 12,775,391,735,824
5. Step 5: Solve for x
   x = 12,775,391,735,824/1,809,978
6. Step 6: Final answer
   x = 7,058,313.27