Finding the Third Proportional to 80,149.50 and 170,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,149.50 : 170,167.50 = 170,167.50 : x
2. Step 2: Convert to fraction form
   80,149.50/170,167.50 = 170,167.50/x
3. Step 3: Cross multiply
   80,149.50x = 170,167.50 × 170,167.50
4. Step 4: Simplify right side
   80,149.50x = 28,956,978,056.25
5. Step 5: Solve for x
   x = 28,956,978,056.25/80,149.50
6. Step 6: Final answer
   x = 361,287.07