Finding the Third Proportional to 54,697.78 and 73,834.03

Step by Step Solution

1. Step 1: Write the proportion equation
   54,697.78 : 73,834.03 = 73,834.03 : x
2. Step 2: Convert to fraction form
   54,697.78/73,834.03 = 73,834.03/x
3. Step 3: Cross multiply
   54,697.78x = 73,834.03 × 73,834.03
4. Step 4: Simplify right side
   54,697.78x = 5,451,464,170.63
5. Step 5: Solve for x
   x = 5,451,464,170.63/54,697.78
6. Step 6: Final answer
   x = 99,665.18