Finding the Third Proportional to 2,256,780 and 3,298,686

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256,780 : 3,298,686 = 3,298,686 : x
2. Step 2: Convert to fraction form
   2,256,780/3,298,686 = 3,298,686/x
3. Step 3: Cross multiply
   2,256,780x = 3,298,686 × 3,298,686
4. Step 4: Simplify right side
   2,256,780x = 10,881,329,326,596
5. Step 5: Solve for x
   x = 10,881,329,326,596/2,256,780
6. Step 6: Final answer
   x = 4,821,617.23