Finding the Third Proportional to 1,986,630 and 4,422,936

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986,630 : 4,422,936 = 4,422,936 : x
2. Step 2: Convert to fraction form
   1,986,630/4,422,936 = 4,422,936/x
3. Step 3: Cross multiply
   1,986,630x = 4,422,936 × 4,422,936
4. Step 4: Simplify right side
   1,986,630x = 19,562,362,860,096
5. Step 5: Solve for x
   x = 19,562,362,860,096/1,986,630
6. Step 6: Final answer
   x = 9,847,008.68