Finding the Third Proportional to 4,488,020 and 9,736,936

Step by Step Solution

1. Step 1: Write the proportion equation
   4,488,020 : 9,736,936 = 9,736,936 : x
2. Step 2: Convert to fraction form
   4,488,020/9,736,936 = 9,736,936/x
3. Step 3: Cross multiply
   4,488,020x = 9,736,936 × 9,736,936
4. Step 4: Simplify right side
   4,488,020x = 94,807,922,668,096
5. Step 5: Solve for x
   x = 94,807,922,668,096/4,488,020
6. Step 6: Final answer
   x = 21,124,665.81