Finding the Third Proportional to 159,900 and 325,308

Step by Step Solution

1. Step 1: Write the proportion equation
   159,900 : 325,308 = 325,308 : x
2. Step 2: Convert to fraction form
   159,900/325,308 = 325,308/x
3. Step 3: Cross multiply
   159,900x = 325,308 × 325,308
4. Step 4: Simplify right side
   159,900x = 105,825,294,864
5. Step 5: Solve for x
   x = 105,825,294,864/159,900
6. Step 6: Final answer
   x = 661,821.73