Finding the Third Proportional to 1,825,560 and 3,960,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825,560 : 3,960,180 = 3,960,180 : x
2. Step 2: Convert to fraction form
   1,825,560/3,960,180 = 3,960,180/x
3. Step 3: Cross multiply
   1,825,560x = 3,960,180 × 3,960,180
4. Step 4: Simplify right side
   1,825,560x = 15,683,025,632,400
5. Step 5: Solve for x
   x = 15,683,025,632,400/1,825,560
6. Step 6: Final answer
   x = 8,590,802.62