Finding the Third Proportional to 31,256 and 67,444

Step by Step Solution

1. Step 1: Write the proportion equation
   31,256 : 67,444 = 67,444 : x
2. Step 2: Convert to fraction form
   31,256/67,444 = 67,444/x
3. Step 3: Cross multiply
   31,256x = 67,444 × 67,444
4. Step 4: Simplify right side
   31,256x = 4,548,693,136
5. Step 5: Solve for x
   x = 4,548,693,136/31,256
6. Step 6: Final answer
   x = 145,530.24