Finding the Third Proportional to 2,166,843 and 4,666,686

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,843 : 4,666,686 = 4,666,686 : x
2. Step 2: Convert to fraction form
   2,166,843/4,666,686 = 4,666,686/x
3. Step 3: Cross multiply
   2,166,843x = 4,666,686 × 4,666,686
4. Step 4: Simplify right side
   2,166,843x = 21,777,958,222,596
5. Step 5: Solve for x
   x = 21,777,958,222,596/2,166,843
6. Step 6: Final answer
   x = 10,050,547.37