Finding the Third Proportional to 30,622 and 67,822

Step by Step Solution

1. Step 1: Write the proportion equation
   30,622 : 67,822 = 67,822 : x
2. Step 2: Convert to fraction form
   30,622/67,822 = 67,822/x
3. Step 3: Cross multiply
   30,622x = 67,822 × 67,822
4. Step 4: Simplify right side
   30,622x = 4,599,823,684
5. Step 5: Solve for x
   x = 4,599,823,684/30,622
6. Step 6: Final answer
   x = 150,213.04