Finding the Third Proportional to 1,452,290 and 2,131,778

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452,290 : 2,131,778 = 2,131,778 : x
2. Step 2: Convert to fraction form
   1,452,290/2,131,778 = 2,131,778/x
3. Step 3: Cross multiply
   1,452,290x = 2,131,778 × 2,131,778
4. Step 4: Simplify right side
   1,452,290x = 4,544,477,441,284
5. Step 5: Solve for x
   x = 4,544,477,441,284/1,452,290
6. Step 6: Final answer
   x = 3,129,180.43