Finding the Third Proportional to 31,307 and 67,922

Step by Step Solution

1. Step 1: Write the proportion equation
   31,307 : 67,922 = 67,922 : x
2. Step 2: Convert to fraction form
   31,307/67,922 = 67,922/x
3. Step 3: Cross multiply
   31,307x = 67,922 × 67,922
4. Step 4: Simplify right side
   31,307x = 4,613,398,084
5. Step 5: Solve for x
   x = 4,613,398,084/31,307
6. Step 6: Final answer
   x = 147,359.95