Finding the Third Proportional to 143,727.75 and 335,704.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,727.75 : 335,704.50 = 335,704.50 : x
2. Step 2: Convert to fraction form
   143,727.75/335,704.50 = 335,704.50/x
3. Step 3: Cross multiply
   143,727.75x = 335,704.50 × 335,704.50
4. Step 4: Simplify right side
   143,727.75x = 112,697,511,320.25
5. Step 5: Solve for x
   x = 112,697,511,320.25/143,727.75
6. Step 6: Final answer
   x = 784,104.05