Finding the Third Proportional to 2,211,473 and 4,823,122

Step by Step Solution

1. Step 1: Write the proportion equation
   2,211,473 : 4,823,122 = 4,823,122 : x
2. Step 2: Convert to fraction form
   2,211,473/4,823,122 = 4,823,122/x
3. Step 3: Cross multiply
   2,211,473x = 4,823,122 × 4,823,122
4. Step 4: Simplify right side
   2,211,473x = 23,262,505,826,884
5. Step 5: Solve for x
   x = 23,262,505,826,884/2,211,473
6. Step 6: Final answer
   x = 10,519,009.65