Finding the Third Proportional to 1,990,914 and 3,147,589

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990,914 : 3,147,589 = 3,147,589 : x
2. Step 2: Convert to fraction form
   1,990,914/3,147,589 = 3,147,589/x
3. Step 3: Cross multiply
   1,990,914x = 3,147,589 × 3,147,589
4. Step 4: Simplify right side
   1,990,914x = 9,907,316,512,921
5. Step 5: Solve for x
   x = 9,907,316,512,921/1,990,914
6. Step 6: Final answer
   x = 4,976,265.43