Finding the Third Proportional to 4,487,600 and 9,787,456

Step by Step Solution

1. Step 1: Write the proportion equation
   4,487,600 : 9,787,456 = 9,787,456 : x
2. Step 2: Convert to fraction form
   4,487,600/9,787,456 = 9,787,456/x
3. Step 3: Cross multiply
   4,487,600x = 9,787,456 × 9,787,456
4. Step 4: Simplify right side
   4,487,600x = 95,794,294,951,936
5. Step 5: Solve for x
   x = 95,794,294,951,936/4,487,600
6. Step 6: Final answer
   x = 21,346,442.41