Finding the Third Proportional to 5,579,885 and 7,897,704

Step by Step Solution

1. Step 1: Write the proportion equation
   5,579,885 : 7,897,704 = 7,897,704 : x
2. Step 2: Convert to fraction form
   5,579,885/7,897,704 = 7,897,704/x
3. Step 3: Cross multiply
   5,579,885x = 7,897,704 × 7,897,704
4. Step 4: Simplify right side
   5,579,885x = 62,373,728,471,616
5. Step 5: Solve for x
   x = 62,373,728,471,616/5,579,885
6. Step 6: Final answer
   x = 11,178,317.92