Finding the Third Proportional to 1,290,612 and 2,004,948

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,612 : 2,004,948 = 2,004,948 : x
2. Step 2: Convert to fraction form
   1,290,612/2,004,948 = 2,004,948/x
3. Step 3: Cross multiply
   1,290,612x = 2,004,948 × 2,004,948
4. Step 4: Simplify right side
   1,290,612x = 4,019,816,482,704
5. Step 5: Solve for x
   x = 4,019,816,482,704/1,290,612
6. Step 6: Final answer
   x = 3,114,659.16