Finding the Third Proportional to 3,333,722 and 4,978,623

Step by Step Solution

1. Step 1: Write the proportion equation
   3,333,722 : 4,978,623 = 4,978,623 : x
2. Step 2: Convert to fraction form
   3,333,722/4,978,623 = 4,978,623/x
3. Step 3: Cross multiply
   3,333,722x = 4,978,623 × 4,978,623
4. Step 4: Simplify right side
   3,333,722x = 24,786,686,976,129
5. Step 5: Solve for x
   x = 24,786,686,976,129/3,333,722
6. Step 6: Final answer
   x = 7,435,139.16