Finding the Third Proportional to 628,180 and 1,375,984

Step by Step Solution

1. Step 1: Write the proportion equation
   628,180 : 1,375,984 = 1,375,984 : x
2. Step 2: Convert to fraction form
   628,180/1,375,984 = 1,375,984/x
3. Step 3: Cross multiply
   628,180x = 1,375,984 × 1,375,984
4. Step 4: Simplify right side
   628,180x = 1,893,331,968,256
5. Step 5: Solve for x
   x = 1,893,331,968,256/628,180
6. Step 6: Final answer
   x = 3,013,995.94