Finding the Third Proportional to 1,328,782 and 2,061,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,782 : 2,061,456 = 2,061,456 : x
2. Step 2: Convert to fraction form
   1,328,782/2,061,456 = 2,061,456/x
3. Step 3: Cross multiply
   1,328,782x = 2,061,456 × 2,061,456
4. Step 4: Simplify right side
   1,328,782x = 4,249,600,839,936
5. Step 5: Solve for x
   x = 4,249,600,839,936/1,328,782
6. Step 6: Final answer
   x = 3,198,117.40