Finding the Third Proportional to 388,883 and 635,007

Step by Step Solution

1. Step 1: Write the proportion equation
   388,883 : 635,007 = 635,007 : x
2. Step 2: Convert to fraction form
   388,883/635,007 = 635,007/x
3. Step 3: Cross multiply
   388,883x = 635,007 × 635,007
4. Step 4: Simplify right side
   388,883x = 403,233,890,049
5. Step 5: Solve for x
   x = 403,233,890,049/388,883
6. Step 6: Final answer
   x = 1,036,902.85