Finding the Third Proportional to 3,638,369 and 7,383,653

Step by Step Solution

1. Step 1: Write the proportion equation
   3,638,369 : 7,383,653 = 7,383,653 : x
2. Step 2: Convert to fraction form
   3,638,369/7,383,653 = 7,383,653/x
3. Step 3: Cross multiply
   3,638,369x = 7,383,653 × 7,383,653
4. Step 4: Simplify right side
   3,638,369x = 54,518,331,624,409
5. Step 5: Solve for x
   x = 54,518,331,624,409/3,638,369
6. Step 6: Final answer
   x = 14,984,277.74