Finding the Third Proportional to 470,209.50 and 705,303

Step by Step Solution

1. Step 1: Write the proportion equation
   470,209.50 : 705,303 = 705,303 : x
2. Step 2: Convert to fraction form
   470,209.50/705,303 = 705,303/x
3. Step 3: Cross multiply
   470,209.50x = 705,303 × 705,303
4. Step 4: Simplify right side
   470,209.50x = 497,452,321,809
5. Step 5: Solve for x
   x = 497,452,321,809/470,209.50
6. Step 6: Final answer
   x = 1,057,937.63