Finding the Third Proportional to 1,990,916 and 3,147,592

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990,916 : 3,147,592 = 3,147,592 : x
2. Step 2: Convert to fraction form
   1,990,916/3,147,592 = 3,147,592/x
3. Step 3: Cross multiply
   1,990,916x = 3,147,592 × 3,147,592
4. Step 4: Simplify right side
   1,990,916x = 9,907,335,398,464
5. Step 5: Solve for x
   x = 9,907,335,398,464/1,990,916
6. Step 6: Final answer
   x = 4,976,269.92