Finding the Third Proportional to 338,849 and 705,790

Step by Step Solution

1. Step 1: Write the proportion equation
   338,849 : 705,790 = 705,790 : x
2. Step 2: Convert to fraction form
   338,849/705,790 = 705,790/x
3. Step 3: Cross multiply
   338,849x = 705,790 × 705,790
4. Step 4: Simplify right side
   338,849x = 498,139,524,100
5. Step 5: Solve for x
   x = 498,139,524,100/338,849
6. Step 6: Final answer
   x = 1,470,092.94