Finding the Third Proportional to 3,904,818 and 7,999,932

Step by Step Solution

1. Step 1: Write the proportion equation
   3,904,818 : 7,999,932 = 7,999,932 : x
2. Step 2: Convert to fraction form
   3,904,818/7,999,932 = 7,999,932/x
3. Step 3: Cross multiply
   3,904,818x = 7,999,932 × 7,999,932
4. Step 4: Simplify right side
   3,904,818x = 63,998,912,004,624
5. Step 5: Solve for x
   x = 63,998,912,004,624/3,904,818
6. Step 6: Final answer
   x = 16,389,729.82