Finding the Third Proportional to 4,368,866 and 9,577,540

Step by Step Solution

1. Step 1: Write the proportion equation
   4,368,866 : 9,577,540 = 9,577,540 : x
2. Step 2: Convert to fraction form
   4,368,866/9,577,540 = 9,577,540/x
3. Step 3: Cross multiply
   4,368,866x = 9,577,540 × 9,577,540
4. Step 4: Simplify right side
   4,368,866x = 91,729,272,451,600
5. Step 5: Solve for x
   x = 91,729,272,451,600/4,368,866
6. Step 6: Final answer
   x = 20,996,128.62