Finding the Third Proportional to 3,388,584 and 7,440,720

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388,584 : 7,440,720 = 7,440,720 : x
2. Step 2: Convert to fraction form
   3,388,584/7,440,720 = 7,440,720/x
3. Step 3: Cross multiply
   3,388,584x = 7,440,720 × 7,440,720
4. Step 4: Simplify right side
   3,388,584x = 55,364,314,118,400
5. Step 5: Solve for x
   x = 55,364,314,118,400/3,388,584
6. Step 6: Final answer
   x = 16,338,480.65