Finding the Third Proportional to 161,388 and 344,932

Step by Step Solution

1. Step 1: Write the proportion equation
   161,388 : 344,932 = 344,932 : x
2. Step 2: Convert to fraction form
   161,388/344,932 = 344,932/x
3. Step 3: Cross multiply
   161,388x = 344,932 × 344,932
4. Step 4: Simplify right side
   161,388x = 118,978,084,624
5. Step 5: Solve for x
   x = 118,978,084,624/161,388
6. Step 6: Final answer
   x = 737,217.67