Finding the Third Proportional to 2,215,790 and 4,819,808

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,790 : 4,819,808 = 4,819,808 : x
2. Step 2: Convert to fraction form
   2,215,790/4,819,808 = 4,819,808/x
3. Step 3: Cross multiply
   2,215,790x = 4,819,808 × 4,819,808
4. Step 4: Simplify right side
   2,215,790x = 23,230,549,156,864
5. Step 5: Solve for x
   x = 23,230,549,156,864/2,215,790
6. Step 6: Final answer
   x = 10,484,093.33