Finding the Third Proportional to 628,628 and 1,356,832

Step by Step Solution

1. Step 1: Write the proportion equation
   628,628 : 1,356,832 = 1,356,832 : x
2. Step 2: Convert to fraction form
   628,628/1,356,832 = 1,356,832/x
3. Step 3: Cross multiply
   628,628x = 1,356,832 × 1,356,832
4. Step 4: Simplify right side
   628,628x = 1,840,993,076,224
5. Step 5: Solve for x
   x = 1,840,993,076,224/628,628
6. Step 6: Final answer
   x = 2,928,589.05