Finding the Third Proportional to 31,558 and 68,944

Step by Step Solution

1. Step 1: Write the proportion equation
   31,558 : 68,944 = 68,944 : x
2. Step 2: Convert to fraction form
   31,558/68,944 = 68,944/x
3. Step 3: Cross multiply
   31,558x = 68,944 × 68,944
4. Step 4: Simplify right side
   31,558x = 4,753,275,136
5. Step 5: Solve for x
   x = 4,753,275,136/31,558
6. Step 6: Final answer
   x = 150,620.29