Finding the Third Proportional to 140,217 and 304,005

Step by Step Solution

1. Step 1: Write the proportion equation
   140,217 : 304,005 = 304,005 : x
2. Step 2: Convert to fraction form
   140,217/304,005 = 304,005/x
3. Step 3: Cross multiply
   140,217x = 304,005 × 304,005
4. Step 4: Simplify right side
   140,217x = 92,419,040,025
5. Step 5: Solve for x
   x = 92,419,040,025/140,217
6. Step 6: Final answer
   x = 659,114.37