Finding the Third Proportional to 1,211,603 and 1,900,808

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211,603 : 1,900,808 = 1,900,808 : x
2. Step 2: Convert to fraction form
   1,211,603/1,900,808 = 1,900,808/x
3. Step 3: Cross multiply
   1,211,603x = 1,900,808 × 1,900,808
4. Step 4: Simplify right side
   1,211,603x = 3,613,071,052,864
5. Step 5: Solve for x
   x = 3,613,071,052,864/1,211,603
6. Step 6: Final answer
   x = 2,982,058.52