Finding the Third Proportional to 2,640,484 and 3,966,564

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,484 : 3,966,564 = 3,966,564 : x
2. Step 2: Convert to fraction form
   2,640,484/3,966,564 = 3,966,564/x
3. Step 3: Cross multiply
   2,640,484x = 3,966,564 × 3,966,564
4. Step 4: Simplify right side
   2,640,484x = 15,733,629,966,096
5. Step 5: Solve for x
   x = 15,733,629,966,096/2,640,484
6. Step 6: Final answer
   x = 5,958,615.91