Finding the Third Proportional to 1,840,064 and 3,960,064

Step by Step Solution

1. Step 1: Write the proportion equation
   1,840,064 : 3,960,064 = 3,960,064 : x
2. Step 2: Convert to fraction form
   1,840,064/3,960,064 = 3,960,064/x
3. Step 3: Cross multiply
   1,840,064x = 3,960,064 × 3,960,064
4. Step 4: Simplify right side
   1,840,064x = 15,682,106,884,096
5. Step 5: Solve for x
   x = 15,682,106,884,096/1,840,064
6. Step 6: Final answer
   x = 8,522,587.74