Finding the Third Proportional to 1,200,668 and 2,135,122

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,668 : 2,135,122 = 2,135,122 : x
2. Step 2: Convert to fraction form
   1,200,668/2,135,122 = 2,135,122/x
3. Step 3: Cross multiply
   1,200,668x = 2,135,122 × 2,135,122
4. Step 4: Simplify right side
   1,200,668x = 4,558,745,954,884
5. Step 5: Solve for x
   x = 4,558,745,954,884/1,200,668
6. Step 6: Final answer
   x = 3,796,841.39