Finding the Third Proportional to 30,611 and 67,801

Step by Step Solution

1. Step 1: Write the proportion equation
   30,611 : 67,801 = 67,801 : x
2. Step 2: Convert to fraction form
   30,611/67,801 = 67,801/x
3. Step 3: Cross multiply
   30,611x = 67,801 × 67,801
4. Step 4: Simplify right side
   30,611x = 4,596,975,601
5. Step 5: Solve for x
   x = 4,596,975,601/30,611
6. Step 6: Final answer
   x = 150,173.98