Finding the Third Proportional to 3,638,373 and 7,383,657

Step by Step Solution

1. Step 1: Write the proportion equation
   3,638,373 : 7,383,657 = 7,383,657 : x
2. Step 2: Convert to fraction form
   3,638,373/7,383,657 = 7,383,657/x
3. Step 3: Cross multiply
   3,638,373x = 7,383,657 × 7,383,657
4. Step 4: Simplify right side
   3,638,373x = 54,518,390,693,649
5. Step 5: Solve for x
   x = 54,518,390,693,649/3,638,373
6. Step 6: Final answer
   x = 14,984,277.50