Finding the Third Proportional to 142,469 and 304,007

Step by Step Solution

1. Step 1: Write the proportion equation
   142,469 : 304,007 = 304,007 : x
2. Step 2: Convert to fraction form
   142,469/304,007 = 304,007/x
3. Step 3: Cross multiply
   142,469x = 304,007 × 304,007
4. Step 4: Simplify right side
   142,469x = 92,420,256,049
5. Step 5: Solve for x
   x = 92,420,256,049/142,469
6. Step 6: Final answer
   x = 648,704.32