Finding the Third Proportional to 143,704.76 and 302,296.43

Step by Step Solution

1. Step 1: Write the proportion equation
   143,704.76 : 302,296.43 = 302,296.43 : x
2. Step 2: Convert to fraction form
   143,704.76/302,296.43 = 302,296.43/x
3. Step 3: Cross multiply
   143,704.76x = 302,296.43 × 302,296.43
4. Step 4: Simplify right side
   143,704.76x = 91,383,131,401.81
5. Step 5: Solve for x
   x = 91,383,131,401.81/143,704.76
6. Step 6: Final answer
   x = 635,908.88