Finding the Third Proportional to 158,322.09 and 323,091.28

Step by Step Solution

1. Step 1: Write the proportion equation
   158,322.09 : 323,091.28 = 323,091.28 : x
2. Step 2: Convert to fraction form
   158,322.09/323,091.28 = 323,091.28/x
3. Step 3: Cross multiply
   158,322.09x = 323,091.28 × 323,091.28
4. Step 4: Simplify right side
   158,322.09x = 104,387,976,019.77
5. Step 5: Solve for x
   x = 104,387,976,019.77/158,322.09
6. Step 6: Final answer
   x = 659,339.28