Finding the Third Proportional to 8,045 and 12,845

Step by Step Solution

1. Step 1: Write the proportion equation
   8,045 : 12,845 = 12,845 : x
2. Step 2: Convert to fraction form
   8,045/12,845 = 12,845/x
3. Step 3: Cross multiply
   8,045x = 12,845 × 12,845
4. Step 4: Simplify right side
   8,045x = 164,994,025
5. Step 5: Solve for x
   x = 164,994,025/8,045
6. Step 6: Final answer
   x = 20,508.89