Finding the Third Proportional to 338,871.50 and 705,834

Step by Step Solution

1. Step 1: Write the proportion equation
   338,871.50 : 705,834 = 705,834 : x
2. Step 2: Convert to fraction form
   338,871.50/705,834 = 705,834/x
3. Step 3: Cross multiply
   338,871.50x = 705,834 × 705,834
4. Step 4: Simplify right side
   338,871.50x = 498,201,635,556
5. Step 5: Solve for x
   x = 498,201,635,556/338,871.50
6. Step 6: Final answer
   x = 1,470,178.62