Finding the Third Proportional to 31,161.38 and 68,033.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,161.38 : 68,033.25 = 68,033.25 : x
2. Step 2: Convert to fraction form
   31,161.38/68,033.25 = 68,033.25/x
3. Step 3: Cross multiply
   31,161.38x = 68,033.25 × 68,033.25
4. Step 4: Simplify right side
   31,161.38x = 4,628,523,105.56
5. Step 5: Solve for x
   x = 4,628,523,105.56/31,161.38
6. Step 6: Final answer
   x = 148,533.98