Finding the Third Proportional to 3,626,790 and 7,515,660

Step by Step Solution

1. Step 1: Write the proportion equation
   3,626,790 : 7,515,660 = 7,515,660 : x
2. Step 2: Convert to fraction form
   3,626,790/7,515,660 = 7,515,660/x
3. Step 3: Cross multiply
   3,626,790x = 7,515,660 × 7,515,660
4. Step 4: Simplify right side
   3,626,790x = 56,485,145,235,600
5. Step 5: Solve for x
   x = 56,485,145,235,600/3,626,790
6. Step 6: Final answer
   x = 15,574,418.49