Finding the Third Proportional to 3,408,970 and 7,238,330

Step by Step Solution

1. Step 1: Write the proportion equation
   3,408,970 : 7,238,330 = 7,238,330 : x
2. Step 2: Convert to fraction form
   3,408,970/7,238,330 = 7,238,330/x
3. Step 3: Cross multiply
   3,408,970x = 7,238,330 × 7,238,330
4. Step 4: Simplify right side
   3,408,970x = 52,393,421,188,900
5. Step 5: Solve for x
   x = 52,393,421,188,900/3,408,970
6. Step 6: Final answer
   x = 15,369,281.98