Finding the Third Proportional to 856,976 and 1,258,944

Step by Step Solution

1. Step 1: Write the proportion equation
   856,976 : 1,258,944 = 1,258,944 : x
2. Step 2: Convert to fraction form
   856,976/1,258,944 = 1,258,944/x
3. Step 3: Cross multiply
   856,976x = 1,258,944 × 1,258,944
4. Step 4: Simplify right side
   856,976x = 1,584,939,995,136
5. Step 5: Solve for x
   x = 1,584,939,995,136/856,976
6. Step 6: Final answer
   x = 1,849,456.69