Finding the Third Proportional to 8,255.25 and 10,499.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,255.25 : 10,499.63 = 10,499.63 : x
2. Step 2: Convert to fraction form
   8,255.25/10,499.63 = 10,499.63/x
3. Step 3: Cross multiply
   8,255.25x = 10,499.63 × 10,499.63
4. Step 4: Simplify right side
   8,255.25x = 110,242,125.14
5. Step 5: Solve for x
   x = 110,242,125.14/8,255.25
6. Step 6: Final answer
   x = 13,354.18