Finding the Third Proportional to 4,086,486 and 8,671,096

Step by Step Solution

1. Step 1: Write the proportion equation
   4,086,486 : 8,671,096 = 8,671,096 : x
2. Step 2: Convert to fraction form
   4,086,486/8,671,096 = 8,671,096/x
3. Step 3: Cross multiply
   4,086,486x = 8,671,096 × 8,671,096
4. Step 4: Simplify right side
   4,086,486x = 75,187,905,841,216
5. Step 5: Solve for x
   x = 75,187,905,841,216/4,086,486
6. Step 6: Final answer
   x = 18,399,159.04