Finding the Third Proportional to 709,816 and 1,557,036

Step by Step Solution

1. Step 1: Write the proportion equation
   709,816 : 1,557,036 = 1,557,036 : x
2. Step 2: Convert to fraction form
   709,816/1,557,036 = 1,557,036/x
3. Step 3: Cross multiply
   709,816x = 1,557,036 × 1,557,036
4. Step 4: Simplify right side
   709,816x = 2,424,361,105,296
5. Step 5: Solve for x
   x = 2,424,361,105,296/709,816
6. Step 6: Final answer
   x = 3,415,478.24