Finding the Third Proportional to 87,758 and 171,142

Step by Step Solution

1. Step 1: Write the proportion equation
   87,758 : 171,142 = 171,142 : x
2. Step 2: Convert to fraction form
   87,758/171,142 = 171,142/x
3. Step 3: Cross multiply
   87,758x = 171,142 × 171,142
4. Step 4: Simplify right side
   87,758x = 29,289,584,164
5. Step 5: Solve for x
   x = 29,289,584,164/87,758
6. Step 6: Final answer
   x = 333,754.01