Finding the Third Proportional to 2,020,634 and 4,421,806

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,634 : 4,421,806 = 4,421,806 : x
2. Step 2: Convert to fraction form
   2,020,634/4,421,806 = 4,421,806/x
3. Step 3: Cross multiply
   2,020,634x = 4,421,806 × 4,421,806
4. Step 4: Simplify right side
   2,020,634x = 19,552,368,301,636
5. Step 5: Solve for x
   x = 19,552,368,301,636/2,020,634
6. Step 6: Final answer
   x = 9,676,353.21