Finding the Third Proportional to 8,410.50 and 13,078.13

Step by Step Solution

1. Step 1: Write the proportion equation
   8,410.50 : 13,078.13 = 13,078.13 : x
2. Step 2: Convert to fraction form
   8,410.50/13,078.13 = 13,078.13/x
3. Step 3: Cross multiply
   8,410.50x = 13,078.13 × 13,078.13
4. Step 4: Simplify right side
   8,410.50x = 171,037,353.52
5. Step 5: Solve for x
   x = 171,037,353.52/8,410.50
6. Step 6: Final answer
   x = 20,336.17