Finding the Third Proportional to 4,787,996 and 10,638,860

Step by Step Solution

1. Step 1: Write the proportion equation
   4,787,996 : 10,638,860 = 10,638,860 : x
2. Step 2: Convert to fraction form
   4,787,996/10,638,860 = 10,638,860/x
3. Step 3: Cross multiply
   4,787,996x = 10,638,860 × 10,638,860
4. Step 4: Simplify right side
   4,787,996x = 113,185,342,099,600
5. Step 5: Solve for x
   x = 113,185,342,099,600/4,787,996
6. Step 6: Final answer
   x = 23,639,397.80