Finding the Third Proportional to 1,315,875 and 2,869,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,875 : 2,869,728 = 2,869,728 : x
2. Step 2: Convert to fraction form
   1,315,875/2,869,728 = 2,869,728/x
3. Step 3: Cross multiply
   1,315,875x = 2,869,728 × 2,869,728
4. Step 4: Simplify right side
   1,315,875x = 8,235,338,793,984
5. Step 5: Solve for x
   x = 8,235,338,793,984/1,315,875
6. Step 6: Final answer
   x = 6,258,450.68