Finding the Third Proportional to 9,099 and 19,170

Step by Step Solution

1. Step 1: Write the proportion equation
   9,099 : 19,170 = 19,170 : x
2. Step 2: Convert to fraction form
   9,099/19,170 = 19,170/x
3. Step 3: Cross multiply
   9,099x = 19,170 × 19,170
4. Step 4: Simplify right side
   9,099x = 367,488,900
5. Step 5: Solve for x
   x = 367,488,900/9,099
6. Step 6: Final answer
   x = 40,387.83