Finding the Third Proportional to 166,258.50 and 263,304

Step by Step Solution

1. Step 1: Write the proportion equation
   166,258.50 : 263,304 = 263,304 : x
2. Step 2: Convert to fraction form
   166,258.50/263,304 = 263,304/x
3. Step 3: Cross multiply
   166,258.50x = 263,304 × 263,304
4. Step 4: Simplify right side
   166,258.50x = 69,328,996,416
5. Step 5: Solve for x
   x = 69,328,996,416/166,258.50
6. Step 6: Final answer
   x = 416,995.20