Finding the Third Proportional to 159,543 and 327,280.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,543 : 327,280.50 = 327,280.50 : x
2. Step 2: Convert to fraction form
   159,543/327,280.50 = 327,280.50/x
3. Step 3: Cross multiply
   159,543x = 327,280.50 × 327,280.50
4. Step 4: Simplify right side
   159,543x = 107,112,525,680.25
5. Step 5: Solve for x
   x = 107,112,525,680.25/159,543
6. Step 6: Final answer
   x = 671,370.89