Finding the Third Proportional to 1,258,290 and 2,001,447

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258,290 : 2,001,447 = 2,001,447 : x
2. Step 2: Convert to fraction form
   1,258,290/2,001,447 = 2,001,447/x
3. Step 3: Cross multiply
   1,258,290x = 2,001,447 × 2,001,447
4. Step 4: Simplify right side
   1,258,290x = 4,005,790,093,809
5. Step 5: Solve for x
   x = 4,005,790,093,809/1,258,290
6. Step 6: Final answer
   x = 3,183,518.98