Finding the Third Proportional to 2,100,458 and 4,277,956

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100,458 : 4,277,956 = 4,277,956 : x
2. Step 2: Convert to fraction form
   2,100,458/4,277,956 = 4,277,956/x
3. Step 3: Cross multiply
   2,100,458x = 4,277,956 × 4,277,956
4. Step 4: Simplify right side
   2,100,458x = 18,300,907,537,936
5. Step 5: Solve for x
   x = 18,300,907,537,936/2,100,458
6. Step 6: Final answer
   x = 8,712,817.65