Finding the Third Proportional to 3,959,179 and 8,675,131

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959,179 : 8,675,131 = 8,675,131 : x
2. Step 2: Convert to fraction form
   3,959,179/8,675,131 = 8,675,131/x
3. Step 3: Cross multiply
   3,959,179x = 8,675,131 × 8,675,131
4. Step 4: Simplify right side
   3,959,179x = 75,257,897,867,161
5. Step 5: Solve for x
   x = 75,257,897,867,161/3,959,179
6. Step 6: Final answer
   x = 19,008,460.56