Finding the Third Proportional to 2,357,978 and 4,802,666

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357,978 : 4,802,666 = 4,802,666 : x
2. Step 2: Convert to fraction form
   2,357,978/4,802,666 = 4,802,666/x
3. Step 3: Cross multiply
   2,357,978x = 4,802,666 × 4,802,666
4. Step 4: Simplify right side
   2,357,978x = 23,065,600,707,556
5. Step 5: Solve for x
   x = 23,065,600,707,556/2,357,978
6. Step 6: Final answer
   x = 9,781,940.59