Finding the Third Proportional to 4,644,636 and 7,036,940

Step by Step Solution

1. Step 1: Write the proportion equation
   4,644,636 : 7,036,940 = 7,036,940 : x
2. Step 2: Convert to fraction form
   4,644,636/7,036,940 = 7,036,940/x
3. Step 3: Cross multiply
   4,644,636x = 7,036,940 × 7,036,940
4. Step 4: Simplify right side
   4,644,636x = 49,518,524,563,600
5. Step 5: Solve for x
   x = 49,518,524,563,600/4,644,636
6. Step 6: Final answer
   x = 10,661,443.56