Finding the Third Proportional to 1,299,530 and 2,008,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,299,530 : 2,008,320 = 2,008,320 : x
2. Step 2: Convert to fraction form
   1,299,530/2,008,320 = 2,008,320/x
3. Step 3: Cross multiply
   1,299,530x = 2,008,320 × 2,008,320
4. Step 4: Simplify right side
   1,299,530x = 4,033,349,222,400
5. Step 5: Solve for x
   x = 4,033,349,222,400/1,299,530
6. Step 6: Final answer
   x = 3,103,698.43