Finding the Third Proportional to 2,586,671.25 and 3,915,792

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,671.25 : 3,915,792 = 3,915,792 : x
2. Step 2: Convert to fraction form
   2,586,671.25/3,915,792 = 3,915,792/x
3. Step 3: Cross multiply
   2,586,671.25x = 3,915,792 × 3,915,792
4. Step 4: Simplify right side
   2,586,671.25x = 15,333,426,987,264
5. Step 5: Solve for x
   x = 15,333,426,987,264/2,586,671.25
6. Step 6: Final answer
   x = 5,927,860.75