Finding the Third Proportional to 165,514 and 350,890

Step by Step Solution

1. Step 1: Write the proportion equation
   165,514 : 350,890 = 350,890 : x
2. Step 2: Convert to fraction form
   165,514/350,890 = 350,890/x
3. Step 3: Cross multiply
   165,514x = 350,890 × 350,890
4. Step 4: Simplify right side
   165,514x = 123,123,792,100
5. Step 5: Solve for x
   x = 123,123,792,100/165,514
6. Step 6: Final answer
   x = 743,887.48