Finding the Third Proportional to 142,222 and 304,684

Step by Step Solution

1. Step 1: Write the proportion equation
   142,222 : 304,684 = 304,684 : x
2. Step 2: Convert to fraction form
   142,222/304,684 = 304,684/x
3. Step 3: Cross multiply
   142,222x = 304,684 × 304,684
4. Step 4: Simplify right side
   142,222x = 92,832,339,856
5. Step 5: Solve for x
   x = 92,832,339,856/142,222
6. Step 6: Final answer
   x = 652,728.41