Finding the Third Proportional to 8,113.50 and 12,549

Step by Step Solution

1. Step 1: Write the proportion equation
   8,113.50 : 12,549 = 12,549 : x
2. Step 2: Convert to fraction form
   8,113.50/12,549 = 12,549/x
3. Step 3: Cross multiply
   8,113.50x = 12,549 × 12,549
4. Step 4: Simplify right side
   8,113.50x = 157,477,401
5. Step 5: Solve for x
   x = 157,477,401/8,113.50
6. Step 6: Final answer
   x = 19,409.31