Finding the Third Proportional to 1,619,638 and 3,749,555

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,638 : 3,749,555 = 3,749,555 : x
2. Step 2: Convert to fraction form
   1,619,638/3,749,555 = 3,749,555/x
3. Step 3: Cross multiply
   1,619,638x = 3,749,555 × 3,749,555
4. Step 4: Simplify right side
   1,619,638x = 14,059,162,698,025
5. Step 5: Solve for x
   x = 14,059,162,698,025/1,619,638
6. Step 6: Final answer
   x = 8,680,435.19