Finding the Third Proportional to 2,219,420 and 4,849,778

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219,420 : 4,849,778 = 4,849,778 : x
2. Step 2: Convert to fraction form
   2,219,420/4,849,778 = 4,849,778/x
3. Step 3: Cross multiply
   2,219,420x = 4,849,778 × 4,849,778
4. Step 4: Simplify right side
   2,219,420x = 23,520,346,649,284
5. Step 5: Solve for x
   x = 23,520,346,649,284/2,219,420
6. Step 6: Final answer
   x = 10,597,519.46