Finding the Third Proportional to 3,950,716 and 8,619,352

Step by Step Solution

1. Step 1: Write the proportion equation
   3,950,716 : 8,619,352 = 8,619,352 : x
2. Step 2: Convert to fraction form
   3,950,716/8,619,352 = 8,619,352/x
3. Step 3: Cross multiply
   3,950,716x = 8,619,352 × 8,619,352
4. Step 4: Simplify right side
   3,950,716x = 74,293,228,899,904
5. Step 5: Solve for x
   x = 74,293,228,899,904/3,950,716
6. Step 6: Final answer
   x = 18,805,003.68