Finding the Third Proportional to 1,321,596 and 2,100,492

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321,596 : 2,100,492 = 2,100,492 : x
2. Step 2: Convert to fraction form
   1,321,596/2,100,492 = 2,100,492/x
3. Step 3: Cross multiply
   1,321,596x = 2,100,492 × 2,100,492
4. Step 4: Simplify right side
   1,321,596x = 4,412,066,642,064
5. Step 5: Solve for x
   x = 4,412,066,642,064/1,321,596
6. Step 6: Final answer
   x = 3,338,438.25