Finding the Third Proportional to 2,021,749 and 4,397,789

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,749 : 4,397,789 = 4,397,789 : x
2. Step 2: Convert to fraction form
   2,021,749/4,397,789 = 4,397,789/x
3. Step 3: Cross multiply
   2,021,749x = 4,397,789 × 4,397,789
4. Step 4: Simplify right side
   2,021,749x = 19,340,548,088,521
5. Step 5: Solve for x
   x = 19,340,548,088,521/2,021,749
6. Step 6: Final answer
   x = 9,566,245.90