Finding the Third Proportional to 142,616 and 303,584

Step by Step Solution

1. Step 1: Write the proportion equation
   142,616 : 303,584 = 303,584 : x
2. Step 2: Convert to fraction form
   142,616/303,584 = 303,584/x
3. Step 3: Cross multiply
   142,616x = 303,584 × 303,584
4. Step 4: Simplify right side
   142,616x = 92,163,245,056
5. Step 5: Solve for x
   x = 92,163,245,056/142,616
6. Step 6: Final answer
   x = 646,233.56