Finding the Third Proportional to 8,363.72 and 12,314.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,363.72 : 12,314.56 = 12,314.56 : x
2. Step 2: Convert to fraction form
   8,363.72/12,314.56 = 12,314.56/x
3. Step 3: Cross multiply
   8,363.72x = 12,314.56 × 12,314.56
4. Step 4: Simplify right side
   8,363.72x = 151,648,329.31
5. Step 5: Solve for x
   x = 151,648,329.31/8,363.72
6. Step 6: Final answer
   x = 18,131.67