Finding the Third Proportional to 2,021,805 and 4,397,883

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,805 : 4,397,883 = 4,397,883 : x
2. Step 2: Convert to fraction form
   2,021,805/4,397,883 = 4,397,883/x
3. Step 3: Cross multiply
   2,021,805x = 4,397,883 × 4,397,883
4. Step 4: Simplify right side
   2,021,805x = 19,341,374,881,689
5. Step 5: Solve for x
   x = 19,341,374,881,689/2,021,805
6. Step 6: Final answer
   x = 9,566,389.88