Finding the Third Proportional to 1,990,918 and 3,147,595

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990,918 : 3,147,595 = 3,147,595 : x
2. Step 2: Convert to fraction form
   1,990,918/3,147,595 = 3,147,595/x
3. Step 3: Cross multiply
   1,990,918x = 3,147,595 × 3,147,595
4. Step 4: Simplify right side
   1,990,918x = 9,907,354,284,025
5. Step 5: Solve for x
   x = 9,907,354,284,025/1,990,918
6. Step 6: Final answer
   x = 4,976,274.40