Finding the Third Proportional to 321,934 and 635,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   321,934 : 635,760.50 = 635,760.50 : x
2. Step 2: Convert to fraction form
   321,934/635,760.50 = 635,760.50/x
3. Step 3: Cross multiply
   321,934x = 635,760.50 × 635,760.50
4. Step 4: Simplify right side
   321,934x = 404,191,413,360.25
5. Step 5: Solve for x
   x = 404,191,413,360.25/321,934
6. Step 6: Final answer
   x = 1,255,510.18