Finding the Third Proportional to 1,275,784 and 2,001,580

Step by Step Solution

1. Step 1: Write the proportion equation
   1,275,784 : 2,001,580 = 2,001,580 : x
2. Step 2: Convert to fraction form
   1,275,784/2,001,580 = 2,001,580/x
3. Step 3: Cross multiply
   1,275,784x = 2,001,580 × 2,001,580
4. Step 4: Simplify right side
   1,275,784x = 4,006,322,496,400
5. Step 5: Solve for x
   x = 4,006,322,496,400/1,275,784
6. Step 6: Final answer
   x = 3,140,282.76