Finding the Third Proportional to 32,320.50 and 67,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,320.50 : 67,408.50 = 67,408.50 : x
2. Step 2: Convert to fraction form
   32,320.50/67,408.50 = 67,408.50/x
3. Step 3: Cross multiply
   32,320.50x = 67,408.50 × 67,408.50
4. Step 4: Simplify right side
   32,320.50x = 4,543,905,872.25
5. Step 5: Solve for x
   x = 4,543,905,872.25/32,320.50
6. Step 6: Final answer
   x = 140,588.97