Finding the Third Proportional to 3,420,844 and 7,384,064

Step by Step Solution

1. Step 1: Write the proportion equation
   3,420,844 : 7,384,064 = 7,384,064 : x
2. Step 2: Convert to fraction form
   3,420,844/7,384,064 = 7,384,064/x
3. Step 3: Cross multiply
   3,420,844x = 7,384,064 × 7,384,064
4. Step 4: Simplify right side
   3,420,844x = 54,524,401,156,096
5. Step 5: Solve for x
   x = 54,524,401,156,096/3,420,844
6. Step 6: Final answer
   x = 15,938,873.90