Finding the Third Proportional to 2,660,666 and 4,110,686

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660,666 : 4,110,686 = 4,110,686 : x
2. Step 2: Convert to fraction form
   2,660,666/4,110,686 = 4,110,686/x
3. Step 3: Cross multiply
   2,660,666x = 4,110,686 × 4,110,686
4. Step 4: Simplify right side
   2,660,666x = 16,897,739,390,596
5. Step 5: Solve for x
   x = 16,897,739,390,596/2,660,666
6. Step 6: Final answer
   x = 6,350,943.48