Finding the Third Proportional to 644,992 and 1,008,036

Step by Step Solution

1. Step 1: Write the proportion equation
   644,992 : 1,008,036 = 1,008,036 : x
2. Step 2: Convert to fraction form
   644,992/1,008,036 = 1,008,036/x
3. Step 3: Cross multiply
   644,992x = 1,008,036 × 1,008,036
4. Step 4: Simplify right side
   644,992x = 1,016,136,577,296
5. Step 5: Solve for x
   x = 1,016,136,577,296/644,992
6. Step 6: Final answer
   x = 1,575,425.09