Finding the Third Proportional to 3,553,656 and 5,064,660

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,656 : 5,064,660 = 5,064,660 : x
2. Step 2: Convert to fraction form
   3,553,656/5,064,660 = 5,064,660/x
3. Step 3: Cross multiply
   3,553,656x = 5,064,660 × 5,064,660
4. Step 4: Simplify right side
   3,553,656x = 25,650,780,915,600
5. Step 5: Solve for x
   x = 25,650,780,915,600/3,553,656
6. Step 6: Final answer
   x = 7,218,138.42