Finding the Third Proportional to 1,687,868 and 2,411,919

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687,868 : 2,411,919 = 2,411,919 : x
2. Step 2: Convert to fraction form
   1,687,868/2,411,919 = 2,411,919/x
3. Step 3: Cross multiply
   1,687,868x = 2,411,919 × 2,411,919
4. Step 4: Simplify right side
   1,687,868x = 5,817,353,262,561
5. Step 5: Solve for x
   x = 5,817,353,262,561/1,687,868
6. Step 6: Final answer
   x = 3,446,568.84