Finding the Third Proportional to 774,218 and 1,579,540

Step by Step Solution

1. Step 1: Write the proportion equation
   774,218 : 1,579,540 = 1,579,540 : x
2. Step 2: Convert to fraction form
   774,218/1,579,540 = 1,579,540/x
3. Step 3: Cross multiply
   774,218x = 1,579,540 × 1,579,540
4. Step 4: Simplify right side
   774,218x = 2,494,946,611,600
5. Step 5: Solve for x
   x = 2,494,946,611,600/774,218
6. Step 6: Final answer
   x = 3,222,537.59