Finding the Third Proportional to 2,019,613 and 4,322,911

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,613 : 4,322,911 = 4,322,911 : x
2. Step 2: Convert to fraction form
   2,019,613/4,322,911 = 4,322,911/x
3. Step 3: Cross multiply
   2,019,613x = 4,322,911 × 4,322,911
4. Step 4: Simplify right side
   2,019,613x = 18,687,559,513,921
5. Step 5: Solve for x
   x = 18,687,559,513,921/2,019,613
6. Step 6: Final answer
   x = 9,253,039.82