Finding the Third Proportional to 338,451.75 and 735,259

Step by Step Solution

1. Step 1: Write the proportion equation
   338,451.75 : 735,259 = 735,259 : x
2. Step 2: Convert to fraction form
   338,451.75/735,259 = 735,259/x
3. Step 3: Cross multiply
   338,451.75x = 735,259 × 735,259
4. Step 4: Simplify right side
   338,451.75x = 540,605,797,081
5. Step 5: Solve for x
   x = 540,605,797,081/338,451.75
6. Step 6: Final answer
   x = 1,597,290.59