Finding the Third Proportional to 428,064 and 635,934

Step by Step Solution

1. Step 1: Write the proportion equation
   428,064 : 635,934 = 635,934 : x
2. Step 2: Convert to fraction form
   428,064/635,934 = 635,934/x
3. Step 3: Cross multiply
   428,064x = 635,934 × 635,934
4. Step 4: Simplify right side
   428,064x = 404,412,052,356
5. Step 5: Solve for x
   x = 404,412,052,356/428,064
6. Step 6: Final answer
   x = 944,746.70