Finding the Third Proportional to 1,827,722 and 3,960,215

Step by Step Solution

1. Step 1: Write the proportion equation
   1,827,722 : 3,960,215 = 3,960,215 : x
2. Step 2: Convert to fraction form
   1,827,722/3,960,215 = 3,960,215/x
3. Step 3: Cross multiply
   1,827,722x = 3,960,215 × 3,960,215
4. Step 4: Simplify right side
   1,827,722x = 15,683,302,846,225
5. Step 5: Solve for x
   x = 15,683,302,846,225/1,827,722
6. Step 6: Final answer
   x = 8,580,792.29