Finding the Third Proportional to 2,059,638 and 4,485,426

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059,638 : 4,485,426 = 4,485,426 : x
2. Step 2: Convert to fraction form
   2,059,638/4,485,426 = 4,485,426/x
3. Step 3: Cross multiply
   2,059,638x = 4,485,426 × 4,485,426
4. Step 4: Simplify right side
   2,059,638x = 20,119,046,401,476
5. Step 5: Solve for x
   x = 20,119,046,401,476/2,059,638
6. Step 6: Final answer
   x = 9,768,243.93