Finding the Third Proportional to 12,248.81 and 18,325.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,248.81 : 18,325.31 = 18,325.31 : x
2. Step 2: Convert to fraction form
   12,248.81/18,325.31 = 18,325.31/x
3. Step 3: Cross multiply
   12,248.81x = 18,325.31 × 18,325.31
4. Step 4: Simplify right side
   12,248.81x = 335,817,078.22
5. Step 5: Solve for x
   x = 335,817,078.22/12,248.81
6. Step 6: Final answer
   x = 27,416.30