Finding the Third Proportional to 628,850 and 1,357,287

Step by Step Solution

1. Step 1: Write the proportion equation
   628,850 : 1,357,287 = 1,357,287 : x
2. Step 2: Convert to fraction form
   628,850/1,357,287 = 1,357,287/x
3. Step 3: Cross multiply
   628,850x = 1,357,287 × 1,357,287
4. Step 4: Simplify right side
   628,850x = 1,842,228,000,369
5. Step 5: Solve for x
   x = 1,842,228,000,369/628,850
6. Step 6: Final answer
   x = 2,929,518.96