Finding the Third Proportional to 4,384,686 and 9,566,156

Step by Step Solution

1. Step 1: Write the proportion equation
   4,384,686 : 9,566,156 = 9,566,156 : x
2. Step 2: Convert to fraction form
   4,384,686/9,566,156 = 9,566,156/x
3. Step 3: Cross multiply
   4,384,686x = 9,566,156 × 9,566,156
4. Step 4: Simplify right side
   4,384,686x = 91,511,340,616,336
5. Step 5: Solve for x
   x = 91,511,340,616,336/4,384,686
6. Step 6: Final answer
   x = 20,870,671.38