Finding the Third Proportional to 143,314 and 303,693

Step by Step Solution

1. Step 1: Write the proportion equation
   143,314 : 303,693 = 303,693 : x
2. Step 2: Convert to fraction form
   143,314/303,693 = 303,693/x
3. Step 3: Cross multiply
   143,314x = 303,693 × 303,693
4. Step 4: Simplify right side
   143,314x = 92,229,438,249
5. Step 5: Solve for x
   x = 92,229,438,249/143,314
6. Step 6: Final answer
   x = 643,548.00