Finding the Third Proportional to 31,041 and 67,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,041 : 67,003.50 = 67,003.50 : x
2. Step 2: Convert to fraction form
   31,041/67,003.50 = 67,003.50/x
3. Step 3: Cross multiply
   31,041x = 67,003.50 × 67,003.50
4. Step 4: Simplify right side
   31,041x = 4,489,469,012.25
5. Step 5: Solve for x
   x = 4,489,469,012.25/31,041
6. Step 6: Final answer
   x = 144,630.30