Finding the Third Proportional to 54,951.50 and 80,361.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,951.50 : 80,361.50 = 80,361.50 : x
2. Step 2: Convert to fraction form
   54,951.50/80,361.50 = 80,361.50/x
3. Step 3: Cross multiply
   54,951.50x = 80,361.50 × 80,361.50
4. Step 4: Simplify right side
   54,951.50x = 6,457,970,682.25
5. Step 5: Solve for x
   x = 6,457,970,682.25/54,951.50
6. Step 6: Final answer
   x = 117,521.28