Finding the Third Proportional to 158,881.50 and 247,698

Step by Step Solution

1. Step 1: Write the proportion equation
   158,881.50 : 247,698 = 247,698 : x
2. Step 2: Convert to fraction form
   158,881.50/247,698 = 247,698/x
3. Step 3: Cross multiply
   158,881.50x = 247,698 × 247,698
4. Step 4: Simplify right side
   158,881.50x = 61,354,299,204
5. Step 5: Solve for x
   x = 61,354,299,204/158,881.50
6. Step 6: Final answer
   x = 386,163.90