Finding the Third Proportional to 646,974 and 1,395,036

Step by Step Solution

1. Step 1: Write the proportion equation
   646,974 : 1,395,036 = 1,395,036 : x
2. Step 2: Convert to fraction form
   646,974/1,395,036 = 1,395,036/x
3. Step 3: Cross multiply
   646,974x = 1,395,036 × 1,395,036
4. Step 4: Simplify right side
   646,974x = 1,946,125,441,296
5. Step 5: Solve for x
   x = 1,946,125,441,296/646,974
6. Step 6: Final answer
   x = 3,008,042.74