Finding the Third Proportional to 3,320,928 and 7,305,408

Step by Step Solution

1. Step 1: Write the proportion equation
   3,320,928 : 7,305,408 = 7,305,408 : x
2. Step 2: Convert to fraction form
   3,320,928/7,305,408 = 7,305,408/x
3. Step 3: Cross multiply
   3,320,928x = 7,305,408 × 7,305,408
4. Step 4: Simplify right side
   3,320,928x = 53,368,986,046,464
5. Step 5: Solve for x
   x = 53,368,986,046,464/3,320,928
6. Step 6: Final answer
   x = 16,070,503.80