Finding the Third Proportional to 159,825 and 339,360.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,825 : 339,360.50 = 339,360.50 : x
2. Step 2: Convert to fraction form
   159,825/339,360.50 = 339,360.50/x
3. Step 3: Cross multiply
   159,825x = 339,360.50 × 339,360.50
4. Step 4: Simplify right side
   159,825x = 115,165,548,960.25
5. Step 5: Solve for x
   x = 115,165,548,960.25/159,825
6. Step 6: Final answer
   x = 720,572.81