Finding the Third Proportional to 2,286,788 and 4,515,742

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286,788 : 4,515,742 = 4,515,742 : x
2. Step 2: Convert to fraction form
   2,286,788/4,515,742 = 4,515,742/x
3. Step 3: Cross multiply
   2,286,788x = 4,515,742 × 4,515,742
4. Step 4: Simplify right side
   2,286,788x = 20,391,925,810,564
5. Step 5: Solve for x
   x = 20,391,925,810,564/2,286,788
6. Step 6: Final answer
   x = 8,917,278.65