Finding the Third Proportional to 159,366.38 and 343,323

Step by Step Solution

1. Step 1: Write the proportion equation
   159,366.38 : 343,323 = 343,323 : x
2. Step 2: Convert to fraction form
   159,366.38/343,323 = 343,323/x
3. Step 3: Cross multiply
   159,366.38x = 343,323 × 343,323
4. Step 4: Simplify right side
   159,366.38x = 117,870,682,329
5. Step 5: Solve for x
   x = 117,870,682,329/159,366.38
6. Step 6: Final answer
   x = 739,620.78