Finding the Third Proportional to 774,168 and 1,579,440

Step by Step Solution

1. Step 1: Write the proportion equation
   774,168 : 1,579,440 = 1,579,440 : x
2. Step 2: Convert to fraction form
   774,168/1,579,440 = 1,579,440/x
3. Step 3: Cross multiply
   774,168x = 1,579,440 × 1,579,440
4. Step 4: Simplify right side
   774,168x = 2,494,630,713,600
5. Step 5: Solve for x
   x = 2,494,630,713,600/774,168
6. Step 6: Final answer
   x = 3,222,337.68