Finding the Third Proportional to 2,286,804 and 4,515,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286,804 : 4,515,780 = 4,515,780 : x
2. Step 2: Convert to fraction form
   2,286,804/4,515,780 = 4,515,780/x
3. Step 3: Cross multiply
   2,286,804x = 4,515,780 × 4,515,780
4. Step 4: Simplify right side
   2,286,804x = 20,392,269,008,400
5. Step 5: Solve for x
   x = 20,392,269,008,400/2,286,804
6. Step 6: Final answer
   x = 8,917,366.34