Finding the Third Proportional to 628,789.50 and 1,357,635

Step by Step Solution

1. Step 1: Write the proportion equation
   628,789.50 : 1,357,635 = 1,357,635 : x
2. Step 2: Convert to fraction form
   628,789.50/1,357,635 = 1,357,635/x
3. Step 3: Cross multiply
   628,789.50x = 1,357,635 × 1,357,635
4. Step 4: Simplify right side
   628,789.50x = 1,843,172,793,225
5. Step 5: Solve for x
   x = 1,843,172,793,225/628,789.50
6. Step 6: Final answer
   x = 2,931,303.39