Finding the Third Proportional to 143,244 and 303,563

Step by Step Solution

1. Step 1: Write the proportion equation
   143,244 : 303,563 = 303,563 : x
2. Step 2: Convert to fraction form
   143,244/303,563 = 303,563/x
3. Step 3: Cross multiply
   143,244x = 303,563 × 303,563
4. Step 4: Simplify right side
   143,244x = 92,150,494,969
5. Step 5: Solve for x
   x = 92,150,494,969/143,244
6. Step 6: Final answer
   x = 643,311.38