Finding the Third Proportional to 1,309,596 and 2,018,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,596 : 2,018,448 = 2,018,448 : x
2. Step 2: Convert to fraction form
   1,309,596/2,018,448 = 2,018,448/x
3. Step 3: Cross multiply
   1,309,596x = 2,018,448 × 2,018,448
4. Step 4: Simplify right side
   1,309,596x = 4,074,132,328,704
5. Step 5: Solve for x
   x = 4,074,132,328,704/1,309,596
6. Step 6: Final answer
   x = 3,110,984.10