Finding the Third Proportional to 4,086,495 and 8,671,116

Step by Step Solution

1. Step 1: Write the proportion equation
   4,086,495 : 8,671,116 = 8,671,116 : x
2. Step 2: Convert to fraction form
   4,086,495/8,671,116 = 8,671,116/x
3. Step 3: Cross multiply
   4,086,495x = 8,671,116 × 8,671,116
4. Step 4: Simplify right side
   4,086,495x = 75,188,252,685,456
5. Step 5: Solve for x
   x = 75,188,252,685,456/4,086,495
6. Step 6: Final answer
   x = 18,399,203.40