Finding the Third Proportional to 142,996 and 304,993

Step by Step Solution

1. Step 1: Write the proportion equation
   142,996 : 304,993 = 304,993 : x
2. Step 2: Convert to fraction form
   142,996/304,993 = 304,993/x
3. Step 3: Cross multiply
   142,996x = 304,993 × 304,993
4. Step 4: Simplify right side
   142,996x = 93,020,730,049
5. Step 5: Solve for x
   x = 93,020,730,049/142,996
6. Step 6: Final answer
   x = 650,512.81