Finding the Third Proportional to 2,943,792 and 6,447,456

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943,792 : 6,447,456 = 6,447,456 : x
2. Step 2: Convert to fraction form
   2,943,792/6,447,456 = 6,447,456/x
3. Step 3: Cross multiply
   2,943,792x = 6,447,456 × 6,447,456
4. Step 4: Simplify right side
   2,943,792x = 41,569,688,871,936
5. Step 5: Solve for x
   x = 41,569,688,871,936/2,943,792
6. Step 6: Final answer
   x = 14,121,136.57