Finding the Third Proportional to 3,465,768 and 7,728,418

Step by Step Solution

1. Step 1: Write the proportion equation
   3,465,768 : 7,728,418 = 7,728,418 : x
2. Step 2: Convert to fraction form
   3,465,768/7,728,418 = 7,728,418/x
3. Step 3: Cross multiply
   3,465,768x = 7,728,418 × 7,728,418
4. Step 4: Simplify right side
   3,465,768x = 59,728,444,782,724
5. Step 5: Solve for x
   x = 59,728,444,782,724/3,465,768
6. Step 6: Final answer
   x = 17,233,826.61