Finding the Third Proportional to 628,012 and 1,360,280

Step by Step Solution

1. Step 1: Write the proportion equation
   628,012 : 1,360,280 = 1,360,280 : x
2. Step 2: Convert to fraction form
   628,012/1,360,280 = 1,360,280/x
3. Step 3: Cross multiply
   628,012x = 1,360,280 × 1,360,280
4. Step 4: Simplify right side
   628,012x = 1,850,361,678,400
5. Step 5: Solve for x
   x = 1,850,361,678,400/628,012
6. Step 6: Final answer
   x = 2,946,379.49