Finding the Third Proportional to 2,215,795 and 4,819,819

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,795 : 4,819,819 = 4,819,819 : x
2. Step 2: Convert to fraction form
   2,215,795/4,819,819 = 4,819,819/x
3. Step 3: Cross multiply
   2,215,795x = 4,819,819 × 4,819,819
4. Step 4: Simplify right side
   2,215,795x = 23,230,655,192,761
5. Step 5: Solve for x
   x = 23,230,655,192,761/2,215,795
6. Step 6: Final answer
   x = 10,484,117.53