Finding the Third Proportional to 80,086 and 166,488

Step by Step Solution

1. Step 1: Write the proportion equation
   80,086 : 166,488 = 166,488 : x
2. Step 2: Convert to fraction form
   80,086/166,488 = 166,488/x
3. Step 3: Cross multiply
   80,086x = 166,488 × 166,488
4. Step 4: Simplify right side
   80,086x = 27,718,254,144
5. Step 5: Solve for x
   x = 27,718,254,144/80,086
6. Step 6: Final answer
   x = 346,106.11