Finding the Third Proportional to 3,198,606 and 6,623,564

Step by Step Solution

1. Step 1: Write the proportion equation
   3,198,606 : 6,623,564 = 6,623,564 : x
2. Step 2: Convert to fraction form
   3,198,606/6,623,564 = 6,623,564/x
3. Step 3: Cross multiply
   3,198,606x = 6,623,564 × 6,623,564
4. Step 4: Simplify right side
   3,198,606x = 43,871,600,062,096
5. Step 5: Solve for x
   x = 43,871,600,062,096/3,198,606
6. Step 6: Final answer
   x = 13,715,849.99