Finding the Third Proportional to 142,605 and 303,562

Step by Step Solution

1. Step 1: Write the proportion equation
   142,605 : 303,562 = 303,562 : x
2. Step 2: Convert to fraction form
   142,605/303,562 = 303,562/x
3. Step 3: Cross multiply
   142,605x = 303,562 × 303,562
4. Step 4: Simplify right side
   142,605x = 92,149,887,844
5. Step 5: Solve for x
   x = 92,149,887,844/142,605
6. Step 6: Final answer
   x = 646,189.74