Finding the Third Proportional to 3,563,464 and 7,770,120

Step by Step Solution

1. Step 1: Write the proportion equation
   3,563,464 : 7,770,120 = 7,770,120 : x
2. Step 2: Convert to fraction form
   3,563,464/7,770,120 = 7,770,120/x
3. Step 3: Cross multiply
   3,563,464x = 7,770,120 × 7,770,120
4. Step 4: Simplify right side
   3,563,464x = 60,374,764,814,400
5. Step 5: Solve for x
   x = 60,374,764,814,400/3,563,464
6. Step 6: Final answer
   x = 16,942,717.76