Finding the Third Proportional to 4,487,603 and 9,787,462

Step by Step Solution

1. Step 1: Write the proportion equation
   4,487,603 : 9,787,462 = 9,787,462 : x
2. Step 2: Convert to fraction form
   4,487,603/9,787,462 = 9,787,462/x
3. Step 3: Cross multiply
   4,487,603x = 9,787,462 × 9,787,462
4. Step 4: Simplify right side
   4,487,603x = 95,794,412,401,444
5. Step 5: Solve for x
   x = 95,794,412,401,444/4,487,603
6. Step 6: Final answer
   x = 21,346,454.31