Finding the Third Proportional to 54,142.50 and 73,759.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,142.50 : 73,759.50 = 73,759.50 : x
2. Step 2: Convert to fraction form
   54,142.50/73,759.50 = 73,759.50/x
3. Step 3: Cross multiply
   54,142.50x = 73,759.50 × 73,759.50
4. Step 4: Simplify right side
   54,142.50x = 5,440,463,840.25
5. Step 5: Solve for x
   x = 5,440,463,840.25/54,142.50
6. Step 6: Final answer
   x = 100,484.16