Finding the Third Proportional to 628,504 and 1,357,412

Step by Step Solution

1. Step 1: Write the proportion equation
   628,504 : 1,357,412 = 1,357,412 : x
2. Step 2: Convert to fraction form
   628,504/1,357,412 = 1,357,412/x
3. Step 3: Cross multiply
   628,504x = 1,357,412 × 1,357,412
4. Step 4: Simplify right side
   628,504x = 1,842,567,337,744
5. Step 5: Solve for x
   x = 1,842,567,337,744/628,504
6. Step 6: Final answer
   x = 2,931,671.62