Finding the Third Proportional to 2,215,806 and 4,819,842

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,806 : 4,819,842 = 4,819,842 : x
2. Step 2: Convert to fraction form
   2,215,806/4,819,842 = 4,819,842/x
3. Step 3: Cross multiply
   2,215,806x = 4,819,842 × 4,819,842
4. Step 4: Simplify right side
   2,215,806x = 23,230,876,904,964
5. Step 5: Solve for x
   x = 23,230,876,904,964/2,215,806
6. Step 6: Final answer
   x = 10,484,165.54