Finding the Third Proportional to 1,613,868 and 2,261,799

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613,868 : 2,261,799 = 2,261,799 : x
2. Step 2: Convert to fraction form
   1,613,868/2,261,799 = 2,261,799/x
3. Step 3: Cross multiply
   1,613,868x = 2,261,799 × 2,261,799
4. Step 4: Simplify right side
   1,613,868x = 5,115,734,716,401
5. Step 5: Solve for x
   x = 5,115,734,716,401/1,613,868
6. Step 6: Final answer
   x = 3,169,859.44