Finding the Third Proportional to 12,986.50 and 19,495

Step by Step Solution

1. Step 1: Write the proportion equation
   12,986.50 : 19,495 = 19,495 : x
2. Step 2: Convert to fraction form
   12,986.50/19,495 = 19,495/x
3. Step 3: Cross multiply
   12,986.50x = 19,495 × 19,495
4. Step 4: Simplify right side
   12,986.50x = 380,055,025
5. Step 5: Solve for x
   x = 380,055,025/12,986.50
6. Step 6: Final answer
   x = 29,265.39