Finding the Third Proportional to 68,611.25 and 150,182.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,611.25 : 150,182.50 = 150,182.50 : x
2. Step 2: Convert to fraction form
   68,611.25/150,182.50 = 150,182.50/x
3. Step 3: Cross multiply
   68,611.25x = 150,182.50 × 150,182.50
4. Step 4: Simplify right side
   68,611.25x = 22,554,783,306.25
5. Step 5: Solve for x
   x = 22,554,783,306.25/68,611.25
6. Step 6: Final answer
   x = 328,733.02