Finding the Third Proportional to 2,021,419 and 4,422,650

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,419 : 4,422,650 = 4,422,650 : x
2. Step 2: Convert to fraction form
   2,021,419/4,422,650 = 4,422,650/x
3. Step 3: Cross multiply
   2,021,419x = 4,422,650 × 4,422,650
4. Step 4: Simplify right side
   2,021,419x = 19,559,833,022,500
5. Step 5: Solve for x
   x = 19,559,833,022,500/2,021,419
6. Step 6: Final answer
   x = 9,676,288.30