Finding the Third Proportional to 2,019,729 and 4,425,729

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,729 : 4,425,729 = 4,425,729 : x
2. Step 2: Convert to fraction form
   2,019,729/4,425,729 = 4,425,729/x
3. Step 3: Cross multiply
   2,019,729x = 4,425,729 × 4,425,729
4. Step 4: Simplify right side
   2,019,729x = 19,587,077,181,441
5. Step 5: Solve for x
   x = 19,587,077,181,441/2,019,729
6. Step 6: Final answer
   x = 9,697,873.91