Finding the Third Proportional to 12,224.81 and 18,115.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,224.81 : 18,115.31 = 18,115.31 : x
2. Step 2: Convert to fraction form
   12,224.81/18,115.31 = 18,115.31/x
3. Step 3: Cross multiply
   12,224.81x = 18,115.31 × 18,115.31
4. Step 4: Simplify right side
   12,224.81x = 328,164,546.97
5. Step 5: Solve for x
   x = 328,164,546.97/12,224.81
6. Step 6: Final answer
   x = 26,844.14