Finding the Third Proportional to 388,885 and 635,010

Step by Step Solution

1. Step 1: Write the proportion equation
   388,885 : 635,010 = 635,010 : x
2. Step 2: Convert to fraction form
   388,885/635,010 = 635,010/x
3. Step 3: Cross multiply
   388,885x = 635,010 × 635,010
4. Step 4: Simplify right side
   388,885x = 403,237,700,100
5. Step 5: Solve for x
   x = 403,237,700,100/388,885
6. Step 6: Final answer
   x = 1,036,907.31