Finding the Third Proportional to 628,988 and 1,357,550

Step by Step Solution

1. Step 1: Write the proportion equation
   628,988 : 1,357,550 = 1,357,550 : x
2. Step 2: Convert to fraction form
   628,988/1,357,550 = 1,357,550/x
3. Step 3: Cross multiply
   628,988x = 1,357,550 × 1,357,550
4. Step 4: Simplify right side
   628,988x = 1,842,942,002,500
5. Step 5: Solve for x
   x = 1,842,942,002,500/628,988
6. Step 6: Final answer
   x = 2,930,011.39