Finding the Third Proportional to 3,388,536 and 7,440,624

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388,536 : 7,440,624 = 7,440,624 : x
2. Step 2: Convert to fraction form
   3,388,536/7,440,624 = 7,440,624/x
3. Step 3: Cross multiply
   3,388,536x = 7,440,624 × 7,440,624
4. Step 4: Simplify right side
   3,388,536x = 55,362,885,509,376
5. Step 5: Solve for x
   x = 55,362,885,509,376/3,388,536
6. Step 6: Final answer
   x = 16,338,290.49