Finding the Third Proportional to 4,131,168 and 8,597,631

Step by Step Solution

1. Step 1: Write the proportion equation
   4,131,168 : 8,597,631 = 8,597,631 : x
2. Step 2: Convert to fraction form
   4,131,168/8,597,631 = 8,597,631/x
3. Step 3: Cross multiply
   4,131,168x = 8,597,631 × 8,597,631
4. Step 4: Simplify right side
   4,131,168x = 73,919,258,812,161
5. Step 5: Solve for x
   x = 73,919,258,812,161/4,131,168
6. Step 6: Final answer
   x = 17,893,065.31