Finding the Third Proportional to 857,880 and 1,856,976

Step by Step Solution

1. Step 1: Write the proportion equation
   857,880 : 1,856,976 = 1,856,976 : x
2. Step 2: Convert to fraction form
   857,880/1,856,976 = 1,856,976/x
3. Step 3: Cross multiply
   857,880x = 1,856,976 × 1,856,976
4. Step 4: Simplify right side
   857,880x = 3,448,359,864,576
5. Step 5: Solve for x
   x = 3,448,359,864,576/857,880
6. Step 6: Final answer
   x = 4,019,629.63