Finding the Third Proportional to 2,179,638 and 4,751,628

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179,638 : 4,751,628 = 4,751,628 : x
2. Step 2: Convert to fraction form
   2,179,638/4,751,628 = 4,751,628/x
3. Step 3: Cross multiply
   2,179,638x = 4,751,628 × 4,751,628
4. Step 4: Simplify right side
   2,179,638x = 22,577,968,650,384
5. Step 5: Solve for x
   x = 22,577,968,650,384/2,179,638
6. Step 6: Final answer
   x = 10,358,586.45