Finding the Third Proportional to 67,158 and 146,304

Step by Step Solution

1. Step 1: Write the proportion equation
   67,158 : 146,304 = 146,304 : x
2. Step 2: Convert to fraction form
   67,158/146,304 = 146,304/x
3. Step 3: Cross multiply
   67,158x = 146,304 × 146,304
4. Step 4: Simplify right side
   67,158x = 21,404,860,416
5. Step 5: Solve for x
   x = 21,404,860,416/67,158
6. Step 6: Final answer
   x = 318,723.91