Finding the Third Proportional to 1,294,540 and 2,009,972

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294,540 : 2,009,972 = 2,009,972 : x
2. Step 2: Convert to fraction form
   1,294,540/2,009,972 = 2,009,972/x
3. Step 3: Cross multiply
   1,294,540x = 2,009,972 × 2,009,972
4. Step 4: Simplify right side
   1,294,540x = 4,039,987,440,784
5. Step 5: Solve for x
   x = 4,039,987,440,784/1,294,540
6. Step 6: Final answer
   x = 3,120,789.96