Finding the Third Proportional to 152,018 and 323,722

Step by Step Solution

1. Step 1: Write the proportion equation
   152,018 : 323,722 = 323,722 : x
2. Step 2: Convert to fraction form
   152,018/323,722 = 323,722/x
3. Step 3: Cross multiply
   152,018x = 323,722 × 323,722
4. Step 4: Simplify right side
   152,018x = 104,795,933,284
5. Step 5: Solve for x
   x = 104,795,933,284/152,018
6. Step 6: Final answer
   x = 689,365.29