Finding the Third Proportional to 166,682 and 264,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,682 : 264,786.50 = 264,786.50 : x
2. Step 2: Convert to fraction form
   166,682/264,786.50 = 264,786.50/x
3. Step 3: Cross multiply
   166,682x = 264,786.50 × 264,786.50
4. Step 4: Simplify right side
   166,682x = 70,111,890,582.25
5. Step 5: Solve for x
   x = 70,111,890,582.25/166,682
6. Step 6: Final answer
   x = 420,632.65