Finding the Third Proportional to 3,465,762 and 7,728,408

Step by Step Solution

1. Step 1: Write the proportion equation
   3,465,762 : 7,728,408 = 7,728,408 : x
2. Step 2: Convert to fraction form
   3,465,762/7,728,408 = 7,728,408/x
3. Step 3: Cross multiply
   3,465,762x = 7,728,408 × 7,728,408
4. Step 4: Simplify right side
   3,465,762x = 59,728,290,214,464
5. Step 5: Solve for x
   x = 59,728,290,214,464/3,465,762
6. Step 6: Final answer
   x = 17,233,811.85