Finding the Third Proportional to 31,021.50 and 67,951

Step by Step Solution

1. Step 1: Write the proportion equation
   31,021.50 : 67,951 = 67,951 : x
2. Step 2: Convert to fraction form
   31,021.50/67,951 = 67,951/x
3. Step 3: Cross multiply
   31,021.50x = 67,951 × 67,951
4. Step 4: Simplify right side
   31,021.50x = 4,617,338,401
5. Step 5: Solve for x
   x = 4,617,338,401/31,021.50
6. Step 6: Final answer
   x = 148,843.17