Finding the Third Proportional to 4,643,648 and 7,175,616

Step by Step Solution

1. Step 1: Write the proportion equation
   4,643,648 : 7,175,616 = 7,175,616 : x
2. Step 2: Convert to fraction form
   4,643,648/7,175,616 = 7,175,616/x
3. Step 3: Cross multiply
   4,643,648x = 7,175,616 × 7,175,616
4. Step 4: Simplify right side
   4,643,648x = 51,489,464,979,456
5. Step 5: Solve for x
   x = 51,489,464,979,456/4,643,648
6. Step 6: Final answer
   x = 11,088,149.87