Finding the Third Proportional to 7,170 and 10,499

Step by Step Solution

1. Step 1: Write the proportion equation
   7,170 : 10,499 = 10,499 : x
2. Step 2: Convert to fraction form
   7,170/10,499 = 10,499/x
3. Step 3: Cross multiply
   7,170x = 10,499 × 10,499
4. Step 4: Simplify right side
   7,170x = 110,229,001
5. Step 5: Solve for x
   x = 110,229,001/7,170
6. Step 6: Final answer
   x = 15,373.64