Finding the Third Proportional to 8,363.91 and 12,314.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,363.91 : 12,314.81 = 12,314.81 : x
2. Step 2: Convert to fraction form
   8,363.91/12,314.81 = 12,314.81/x
3. Step 3: Cross multiply
   8,363.91x = 12,314.81 × 12,314.81
4. Step 4: Simplify right side
   8,363.91x = 151,654,606.91
5. Step 5: Solve for x
   x = 151,654,606.91/8,363.91
6. Step 6: Final answer
   x = 18,132.03