Finding the Third Proportional to 161,806 and 352,020

Step by Step Solution

1. Step 1: Write the proportion equation
   161,806 : 352,020 = 352,020 : x
2. Step 2: Convert to fraction form
   161,806/352,020 = 352,020/x
3. Step 3: Cross multiply
   161,806x = 352,020 × 352,020
4. Step 4: Simplify right side
   161,806x = 123,918,080,400
5. Step 5: Solve for x
   x = 123,918,080,400/161,806
6. Step 6: Final answer
   x = 765,843.54