Finding the Third Proportional to 4,384,668 and 9,566,132

Step by Step Solution

1. Step 1: Write the proportion equation
   4,384,668 : 9,566,132 = 9,566,132 : x
2. Step 2: Convert to fraction form
   4,384,668/9,566,132 = 9,566,132/x
3. Step 3: Cross multiply
   4,384,668x = 9,566,132 × 9,566,132
4. Step 4: Simplify right side
   4,384,668x = 91,510,881,441,424
5. Step 5: Solve for x
   x = 91,510,881,441,424/4,384,668
6. Step 6: Final answer
   x = 20,870,652.34