Finding the Third Proportional to 1,211,598 and 1,900,809

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211,598 : 1,900,809 = 1,900,809 : x
2. Step 2: Convert to fraction form
   1,211,598/1,900,809 = 1,900,809/x
3. Step 3: Cross multiply
   1,211,598x = 1,900,809 × 1,900,809
4. Step 4: Simplify right side
   1,211,598x = 3,613,074,854,481
5. Step 5: Solve for x
   x = 3,613,074,854,481/1,211,598
6. Step 6: Final answer
   x = 2,982,073.97