Finding the Third Proportional to 155,856 and 339,030

Step by Step Solution

1. Step 1: Write the proportion equation
   155,856 : 339,030 = 339,030 : x
2. Step 2: Convert to fraction form
   155,856/339,030 = 339,030/x
3. Step 3: Cross multiply
   155,856x = 339,030 × 339,030
4. Step 4: Simplify right side
   155,856x = 114,941,340,900
5. Step 5: Solve for x
   x = 114,941,340,900/155,856
6. Step 6: Final answer
   x = 737,484.22