Finding the Third Proportional to 79,170 and 166,020

Step by Step Solution

1. Step 1: Write the proportion equation
   79,170 : 166,020 = 166,020 : x
2. Step 2: Convert to fraction form
   79,170/166,020 = 166,020/x
3. Step 3: Cross multiply
   79,170x = 166,020 × 166,020
4. Step 4: Simplify right side
   79,170x = 27,562,640,400
5. Step 5: Solve for x
   x = 27,562,640,400/79,170
6. Step 6: Final answer
   x = 348,145.01