Finding the Third Proportional to 8,150.63 and 12,249.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.63 : 12,249.56 = 12,249.56 : x
2. Step 2: Convert to fraction form
   8,150.63/12,249.56 = 12,249.56/x
3. Step 3: Cross multiply
   8,150.63x = 12,249.56 × 12,249.56
4. Step 4: Simplify right side
   8,150.63x = 150,051,781.44
5. Step 5: Solve for x
   x = 150,051,781.44/8,150.63
6. Step 6: Final answer
   x = 18,409.85