Finding the Third Proportional to 600,320 and 1,280,976

Step by Step Solution

1. Step 1: Write the proportion equation
   600,320 : 1,280,976 = 1,280,976 : x
2. Step 2: Convert to fraction form
   600,320/1,280,976 = 1,280,976/x
3. Step 3: Cross multiply
   600,320x = 1,280,976 × 1,280,976
4. Step 4: Simplify right side
   600,320x = 1,640,899,512,576
5. Step 5: Solve for x
   x = 1,640,899,512,576/600,320
6. Step 6: Final answer
   x = 2,733,374.72