Finding the Third Proportional to 2,201,638 and 3,100,390

Step by Step Solution

1. Step 1: Write the proportion equation
   2,201,638 : 3,100,390 = 3,100,390 : x
2. Step 2: Convert to fraction form
   2,201,638/3,100,390 = 3,100,390/x
3. Step 3: Cross multiply
   2,201,638x = 3,100,390 × 3,100,390
4. Step 4: Simplify right side
   2,201,638x = 9,612,418,152,100
5. Step 5: Solve for x
   x = 9,612,418,152,100/2,201,638
6. Step 6: Final answer
   x = 4,366,030.27