Finding the Third Proportional to 553,596 and 1,212,824

Step by Step Solution

1. Step 1: Write the proportion equation
   553,596 : 1,212,824 = 1,212,824 : x
2. Step 2: Convert to fraction form
   553,596/1,212,824 = 1,212,824/x
3. Step 3: Cross multiply
   553,596x = 1,212,824 × 1,212,824
4. Step 4: Simplify right side
   553,596x = 1,470,942,054,976
5. Step 5: Solve for x
   x = 1,470,942,054,976/553,596
6. Step 6: Final answer
   x = 2,657,067.71