Finding the Third Proportional to 2,688,948 and 5,792,616

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688,948 : 5,792,616 = 5,792,616 : x
2. Step 2: Convert to fraction form
   2,688,948/5,792,616 = 5,792,616/x
3. Step 3: Cross multiply
   2,688,948x = 5,792,616 × 5,792,616
4. Step 4: Simplify right side
   2,688,948x = 33,554,400,123,456
5. Step 5: Solve for x
   x = 33,554,400,123,456/2,688,948
6. Step 6: Final answer
   x = 12,478,634.81