Finding the Third Proportional to 3,959,048 and 8,624,656

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959,048 : 8,624,656 = 8,624,656 : x
2. Step 2: Convert to fraction form
   3,959,048/8,624,656 = 8,624,656/x
3. Step 3: Cross multiply
   3,959,048x = 8,624,656 × 8,624,656
4. Step 4: Simplify right side
   3,959,048x = 74,384,691,118,336
5. Step 5: Solve for x
   x = 74,384,691,118,336/3,959,048
6. Step 6: Final answer
   x = 18,788,529.75