Finding the Third Proportional to 160,724 and 350,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,724 : 350,020.50 = 350,020.50 : x
2. Step 2: Convert to fraction form
   160,724/350,020.50 = 350,020.50/x
3. Step 3: Cross multiply
   160,724x = 350,020.50 × 350,020.50
4. Step 4: Simplify right side
   160,724x = 122,514,350,420.25
5. Step 5: Solve for x
   x = 122,514,350,420.25/160,724
6. Step 6: Final answer
   x = 762,265.44