Finding the Third Proportional to 4,651,806 and 9,855,968

Step by Step Solution

1. Step 1: Write the proportion equation
   4,651,806 : 9,855,968 = 9,855,968 : x
2. Step 2: Convert to fraction form
   4,651,806/9,855,968 = 9,855,968/x
3. Step 3: Cross multiply
   4,651,806x = 9,855,968 × 9,855,968
4. Step 4: Simplify right side
   4,651,806x = 97,140,105,217,024
5. Step 5: Solve for x
   x = 97,140,105,217,024/4,651,806
6. Step 6: Final answer
   x = 20,882,234.82