Finding the Third Proportional to 1,827,591 and 3,960,267

Step by Step Solution

1. Step 1: Write the proportion equation
   1,827,591 : 3,960,267 = 3,960,267 : x
2. Step 2: Convert to fraction form
   1,827,591/3,960,267 = 3,960,267/x
3. Step 3: Cross multiply
   1,827,591x = 3,960,267 × 3,960,267
4. Step 4: Simplify right side
   1,827,591x = 15,683,714,711,289
5. Step 5: Solve for x
   x = 15,683,714,711,289/1,827,591
6. Step 6: Final answer
   x = 8,581,632.71