Finding the Third Proportional to 1,210,993 and 2,854,647

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210,993 : 2,854,647 = 2,854,647 : x
2. Step 2: Convert to fraction form
   1,210,993/2,854,647 = 2,854,647/x
3. Step 3: Cross multiply
   1,210,993x = 2,854,647 × 2,854,647
4. Step 4: Simplify right side
   1,210,993x = 8,149,009,494,609
5. Step 5: Solve for x
   x = 8,149,009,494,609/1,210,993
6. Step 6: Final answer
   x = 6,729,196.20