Finding the Third Proportional to 8,222.25 and 12,837.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,222.25 : 12,837.38 = 12,837.38 : x
2. Step 2: Convert to fraction form
   8,222.25/12,837.38 = 12,837.38/x
3. Step 3: Cross multiply
   8,222.25x = 12,837.38 × 12,837.38
4. Step 4: Simplify right side
   8,222.25x = 164,798,196.89
5. Step 5: Solve for x
   x = 164,798,196.89/8,222.25
6. Step 6: Final answer
   x = 20,042.96