Finding the Third Proportional to 1,012,809 and 2,213,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,809 : 2,213,820 = 2,213,820 : x
2. Step 2: Convert to fraction form
   1,012,809/2,213,820 = 2,213,820/x
3. Step 3: Cross multiply
   1,012,809x = 2,213,820 × 2,213,820
4. Step 4: Simplify right side
   1,012,809x = 4,900,998,992,400
5. Step 5: Solve for x
   x = 4,900,998,992,400/1,012,809
6. Step 6: Final answer
   x = 4,839,016.04