Finding the Third Proportional to 3,465,771 and 7,728,434

Step by Step Solution

1. Step 1: Write the proportion equation
   3,465,771 : 7,728,434 = 7,728,434 : x
2. Step 2: Convert to fraction form
   3,465,771/7,728,434 = 7,728,434/x
3. Step 3: Cross multiply
   3,465,771x = 7,728,434 × 7,728,434
4. Step 4: Simplify right side
   3,465,771x = 59,728,692,092,356
5. Step 5: Solve for x
   x = 59,728,692,092,356/3,465,771
6. Step 6: Final answer
   x = 17,233,883.05