Finding the Third Proportional to 166,628 and 359,872

Step by Step Solution

1. Step 1: Write the proportion equation
   166,628 : 359,872 = 359,872 : x
2. Step 2: Convert to fraction form
   166,628/359,872 = 359,872/x
3. Step 3: Cross multiply
   166,628x = 359,872 × 359,872
4. Step 4: Simplify right side
   166,628x = 129,507,856,384
5. Step 5: Solve for x
   x = 129,507,856,384/166,628
6. Step 6: Final answer
   x = 777,227.46