Finding the Third Proportional to 12,545.50 and 18,819.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,545.50 : 18,819.25 = 18,819.25 : x
2. Step 2: Convert to fraction form
   12,545.50/18,819.25 = 18,819.25/x
3. Step 3: Cross multiply
   12,545.50x = 18,819.25 × 18,819.25
4. Step 4: Simplify right side
   12,545.50x = 354,164,170.56
5. Step 5: Solve for x
   x = 354,164,170.56/12,545.50
6. Step 6: Final answer
   x = 28,230.38