Finding the Third Proportional to 2,286,800 and 4,515,764

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286,800 : 4,515,764 = 4,515,764 : x
2. Step 2: Convert to fraction form
   2,286,800/4,515,764 = 4,515,764/x
3. Step 3: Cross multiply
   2,286,800x = 4,515,764 × 4,515,764
4. Step 4: Simplify right side
   2,286,800x = 20,392,124,503,696
5. Step 5: Solve for x
   x = 20,392,124,503,696/2,286,800
6. Step 6: Final answer
   x = 8,917,318.74