Finding the Third Proportional to 3,408,942 and 7,459,215

Step by Step Solution

1. Step 1: Write the proportion equation
   3,408,942 : 7,459,215 = 7,459,215 : x
2. Step 2: Convert to fraction form
   3,408,942/7,459,215 = 7,459,215/x
3. Step 3: Cross multiply
   3,408,942x = 7,459,215 × 7,459,215
4. Step 4: Simplify right side
   3,408,942x = 55,639,888,416,225
5. Step 5: Solve for x
   x = 55,639,888,416,225/3,408,942
6. Step 6: Final answer
   x = 16,321,746.87