Finding the Third Proportional to 1,171,490 and 2,557,792

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,490 : 2,557,792 = 2,557,792 : x
2. Step 2: Convert to fraction form
   1,171,490/2,557,792 = 2,557,792/x
3. Step 3: Cross multiply
   1,171,490x = 2,557,792 × 2,557,792
4. Step 4: Simplify right side
   1,171,490x = 6,542,299,915,264
5. Step 5: Solve for x
   x = 6,542,299,915,264/1,171,490
6. Step 6: Final answer
   x = 5,584,597.32