Finding the Third Proportional to 1,339,371 and 2,021,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339,371 : 2,021,512 = 2,021,512 : x
2. Step 2: Convert to fraction form
   1,339,371/2,021,512 = 2,021,512/x
3. Step 3: Cross multiply
   1,339,371x = 2,021,512 × 2,021,512
4. Step 4: Simplify right side
   1,339,371x = 4,086,510,766,144
5. Step 5: Solve for x
   x = 4,086,510,766,144/1,339,371
6. Step 6: Final answer
   x = 3,051,067.08