Finding the Third Proportional to 2,236,300 and 4,826,678

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236,300 : 4,826,678 = 4,826,678 : x
2. Step 2: Convert to fraction form
   2,236,300/4,826,678 = 4,826,678/x
3. Step 3: Cross multiply
   2,236,300x = 4,826,678 × 4,826,678
4. Step 4: Simplify right side
   2,236,300x = 23,296,820,515,684
5. Step 5: Solve for x
   x = 23,296,820,515,684/2,236,300
6. Step 6: Final answer
   x = 10,417,573.90