Finding the Third Proportional to 8,072.25 and 12,154.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,072.25 : 12,154.88 = 12,154.88 : x
2. Step 2: Convert to fraction form
   8,072.25/12,154.88 = 12,154.88/x
3. Step 3: Cross multiply
   8,072.25x = 12,154.88 × 12,154.88
4. Step 4: Simplify right side
   8,072.25x = 147,740,986.27
5. Step 5: Solve for x
   x = 147,740,986.27/8,072.25
6. Step 6: Final answer
   x = 18,302.33