Finding the Third Proportional to 155,147 and 229,805

Step by Step Solution

1. Step 1: Write the proportion equation
   155,147 : 229,805 = 229,805 : x
2. Step 2: Convert to fraction form
   155,147/229,805 = 229,805/x
3. Step 3: Cross multiply
   155,147x = 229,805 × 229,805
4. Step 4: Simplify right side
   155,147x = 52,810,338,025
5. Step 5: Solve for x
   x = 52,810,338,025/155,147
6. Step 6: Final answer
   x = 340,389.04