Finding the Third Proportional to 2,159,679 and 4,726,086

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,679 : 4,726,086 = 4,726,086 : x
2. Step 2: Convert to fraction form
   2,159,679/4,726,086 = 4,726,086/x
3. Step 3: Cross multiply
   2,159,679x = 4,726,086 × 4,726,086
4. Step 4: Simplify right side
   2,159,679x = 22,335,888,879,396
5. Step 5: Solve for x
   x = 22,335,888,879,396/2,159,679
6. Step 6: Final answer
   x = 10,342,226.27