Finding the Third Proportional to 1,100,780 and 2,248,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100,780 : 2,248,216 = 2,248,216 : x
2. Step 2: Convert to fraction form
   1,100,780/2,248,216 = 2,248,216/x
3. Step 3: Cross multiply
   1,100,780x = 2,248,216 × 2,248,216
4. Step 4: Simplify right side
   1,100,780x = 5,054,475,182,656
5. Step 5: Solve for x
   x = 5,054,475,182,656/1,100,780
6. Step 6: Final answer
   x = 4,591,721.49