Finding the Third Proportional to 3,690,660 and 7,987,848

Step by Step Solution

1. Step 1: Write the proportion equation
   3,690,660 : 7,987,848 = 7,987,848 : x
2. Step 2: Convert to fraction form
   3,690,660/7,987,848 = 7,987,848/x
3. Step 3: Cross multiply
   3,690,660x = 7,987,848 × 7,987,848
4. Step 4: Simplify right side
   3,690,660x = 63,805,715,671,104
5. Step 5: Solve for x
   x = 63,805,715,671,104/3,690,660
6. Step 6: Final answer
   x = 17,288,429.62