Finding the Third Proportional to 8,363.25 and 12,545.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,363.25 : 12,545.72 = 12,545.72 : x
2. Step 2: Convert to fraction form
   8,363.25/12,545.72 = 12,545.72/x
3. Step 3: Cross multiply
   8,363.25x = 12,545.72 × 12,545.72
4. Step 4: Simplify right side
   8,363.25x = 157,395,058.95
5. Step 5: Solve for x
   x = 157,395,058.95/8,363.25
6. Step 6: Final answer
   x = 18,819.84