Finding the Third Proportional to 4,368,879 and 9,577,566

Step by Step Solution

1. Step 1: Write the proportion equation
   4,368,879 : 9,577,566 = 9,577,566 : x
2. Step 2: Convert to fraction form
   4,368,879/9,577,566 = 9,577,566/x
3. Step 3: Cross multiply
   4,368,879x = 9,577,566 × 9,577,566
4. Step 4: Simplify right side
   4,368,879x = 91,729,770,484,356
5. Step 5: Solve for x
   x = 91,729,770,484,356/4,368,879
6. Step 6: Final answer
   x = 20,996,180.14