Finding the Third Proportional to 2,186,559 and 4,757,686

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186,559 : 4,757,686 = 4,757,686 : x
2. Step 2: Convert to fraction form
   2,186,559/4,757,686 = 4,757,686/x
3. Step 3: Cross multiply
   2,186,559x = 4,757,686 × 4,757,686
4. Step 4: Simplify right side
   2,186,559x = 22,635,576,074,596
5. Step 5: Solve for x
   x = 22,635,576,074,596/2,186,559
6. Step 6: Final answer
   x = 10,352,145.12