Finding the Third Proportional to 32,422.50 and 67,311

Step by Step Solution

1. Step 1: Write the proportion equation
   32,422.50 : 67,311 = 67,311 : x
2. Step 2: Convert to fraction form
   32,422.50/67,311 = 67,311/x
3. Step 3: Cross multiply
   32,422.50x = 67,311 × 67,311
4. Step 4: Simplify right side
   32,422.50x = 4,530,770,721
5. Step 5: Solve for x
   x = 4,530,770,721/32,422.50
6. Step 6: Final answer
   x = 139,741.56