Finding the Third Proportional to 628,878 and 1,357,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   628,878 : 1,357,333.50 = 1,357,333.50 : x
2. Step 2: Convert to fraction form
   628,878/1,357,333.50 = 1,357,333.50/x
3. Step 3: Cross multiply
   628,878x = 1,357,333.50 × 1,357,333.50
4. Step 4: Simplify right side
   628,878x = 1,842,354,230,222.25
5. Step 5: Solve for x
   x = 1,842,354,230,222.25/628,878
6. Step 6: Final answer
   x = 2,929,589.25