Finding the Third Proportional to 4,599,648 and 9,675,936

Step by Step Solution

1. Step 1: Write the proportion equation
   4,599,648 : 9,675,936 = 9,675,936 : x
2. Step 2: Convert to fraction form
   4,599,648/9,675,936 = 9,675,936/x
3. Step 3: Cross multiply
   4,599,648x = 9,675,936 × 9,675,936
4. Step 4: Simplify right side
   4,599,648x = 93,623,737,476,096
5. Step 5: Solve for x
   x = 93,623,737,476,096/4,599,648
6. Step 6: Final answer
   x = 20,354,543.97