Finding the Third Proportional to 8,149.50 and 12,302.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,149.50 : 12,302.50 = 12,302.50 : x
2. Step 2: Convert to fraction form
   8,149.50/12,302.50 = 12,302.50/x
3. Step 3: Cross multiply
   8,149.50x = 12,302.50 × 12,302.50
4. Step 4: Simplify right side
   8,149.50x = 151,351,506.25
5. Step 5: Solve for x
   x = 151,351,506.25/8,149.50
6. Step 6: Final answer
   x = 18,571.88