Finding the Third Proportional to 3,433,978 and 7,458,932

Step by Step Solution

1. Step 1: Write the proportion equation
   3,433,978 : 7,458,932 = 7,458,932 : x
2. Step 2: Convert to fraction form
   3,433,978/7,458,932 = 7,458,932/x
3. Step 3: Cross multiply
   3,433,978x = 7,458,932 × 7,458,932
4. Step 4: Simplify right side
   3,433,978x = 55,635,666,580,624
5. Step 5: Solve for x
   x = 55,635,666,580,624/3,433,978
6. Step 6: Final answer
   x = 16,201,520.97