Finding the Third Proportional to 159,717 and 247,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,717 : 247,270.50 = 247,270.50 : x
2. Step 2: Convert to fraction form
   159,717/247,270.50 = 247,270.50/x
3. Step 3: Cross multiply
   159,717x = 247,270.50 × 247,270.50
4. Step 4: Simplify right side
   159,717x = 61,142,700,170.25
5. Step 5: Solve for x
   x = 61,142,700,170.25/159,717
6. Step 6: Final answer
   x = 382,818.99