Finding the Third Proportional to 325,168 and 500,434

Step by Step Solution

1. Step 1: Write the proportion equation
   325,168 : 500,434 = 500,434 : x
2. Step 2: Convert to fraction form
   325,168/500,434 = 500,434/x
3. Step 3: Cross multiply
   325,168x = 500,434 × 500,434
4. Step 4: Simplify right side
   325,168x = 250,434,188,356
5. Step 5: Solve for x
   x = 250,434,188,356/325,168
6. Step 6: Final answer
   x = 770,168.62