Finding the Third Proportional to 1,987,909 and 4,327,774

Step by Step Solution

1. Step 1: Write the proportion equation
   1,987,909 : 4,327,774 = 4,327,774 : x
2. Step 2: Convert to fraction form
   1,987,909/4,327,774 = 4,327,774/x
3. Step 3: Cross multiply
   1,987,909x = 4,327,774 × 4,327,774
4. Step 4: Simplify right side
   1,987,909x = 18,729,627,795,076
5. Step 5: Solve for x
   x = 18,729,627,795,076/1,987,909
6. Step 6: Final answer
   x = 9,421,773.23