Finding the Third Proportional to 2,021,444 and 4,422,688

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,444 : 4,422,688 = 4,422,688 : x
2. Step 2: Convert to fraction form
   2,021,444/4,422,688 = 4,422,688/x
3. Step 3: Cross multiply
   2,021,444x = 4,422,688 × 4,422,688
4. Step 4: Simplify right side
   2,021,444x = 19,560,169,145,344
5. Step 5: Solve for x
   x = 19,560,169,145,344/2,021,444
6. Step 6: Final answer
   x = 9,676,334.91