Finding the Third Proportional to 4,651,791 and 9,855,936

Step by Step Solution

1. Step 1: Write the proportion equation
   4,651,791 : 9,855,936 = 9,855,936 : x
2. Step 2: Convert to fraction form
   4,651,791/9,855,936 = 9,855,936/x
3. Step 3: Cross multiply
   4,651,791x = 9,855,936 × 9,855,936
4. Step 4: Simplify right side
   4,651,791x = 97,139,474,436,096
5. Step 5: Solve for x
   x = 97,139,474,436,096/4,651,791
6. Step 6: Final answer
   x = 20,882,166.55