Finding the Third Proportional to 428,044 and 635,904

Step by Step Solution

1. Step 1: Write the proportion equation
   428,044 : 635,904 = 635,904 : x
2. Step 2: Convert to fraction form
   428,044/635,904 = 635,904/x
3. Step 3: Cross multiply
   428,044x = 635,904 × 635,904
4. Step 4: Simplify right side
   428,044x = 404,373,897,216
5. Step 5: Solve for x
   x = 404,373,897,216/428,044
6. Step 6: Final answer
   x = 944,701.71