Finding the Third Proportional to 1,446,934 and 2,128,578

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446,934 : 2,128,578 = 2,128,578 : x
2. Step 2: Convert to fraction form
   1,446,934/2,128,578 = 2,128,578/x
3. Step 3: Cross multiply
   1,446,934x = 2,128,578 × 2,128,578
4. Step 4: Simplify right side
   1,446,934x = 4,530,844,302,084
5. Step 5: Solve for x
   x = 4,530,844,302,084/1,446,934
6. Step 6: Final answer
   x = 3,131,341.38