Finding the Third Proportional to 2,253,406 and 4,774,990

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253,406 : 4,774,990 = 4,774,990 : x
2. Step 2: Convert to fraction form
   2,253,406/4,774,990 = 4,774,990/x
3. Step 3: Cross multiply
   2,253,406x = 4,774,990 × 4,774,990
4. Step 4: Simplify right side
   2,253,406x = 22,800,529,500,100
5. Step 5: Solve for x
   x = 22,800,529,500,100/2,253,406
6. Step 6: Final answer
   x = 10,118,251.88