Finding the Third Proportional to 628,496 and 1,357,396

Step by Step Solution

1. Step 1: Write the proportion equation
   628,496 : 1,357,396 = 1,357,396 : x
2. Step 2: Convert to fraction form
   628,496/1,357,396 = 1,357,396/x
3. Step 3: Cross multiply
   628,496x = 1,357,396 × 1,357,396
4. Step 4: Simplify right side
   628,496x = 1,842,523,900,816
5. Step 5: Solve for x
   x = 1,842,523,900,816/628,496
6. Step 6: Final answer
   x = 2,931,639.82