Finding the Third Proportional to 1,538,556 and 3,366,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,556 : 3,366,660 = 3,366,660 : x
2. Step 2: Convert to fraction form
   1,538,556/3,366,660 = 3,366,660/x
3. Step 3: Cross multiply
   1,538,556x = 3,366,660 × 3,366,660
4. Step 4: Simplify right side
   1,538,556x = 11,334,399,555,600
5. Step 5: Solve for x
   x = 11,334,399,555,600/1,538,556
6. Step 6: Final answer
   x = 7,366,907.38