Finding the Third Proportional to 628,048 and 1,309,224

Step by Step Solution

1. Step 1: Write the proportion equation
   628,048 : 1,309,224 = 1,309,224 : x
2. Step 2: Convert to fraction form
   628,048/1,309,224 = 1,309,224/x
3. Step 3: Cross multiply
   628,048x = 1,309,224 × 1,309,224
4. Step 4: Simplify right side
   628,048x = 1,714,067,482,176
5. Step 5: Solve for x
   x = 1,714,067,482,176/628,048
6. Step 6: Final answer
   x = 2,729,198.22