Finding the Third Proportional to 1,281,453 and 2,818,707

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,453 : 2,818,707 = 2,818,707 : x
2. Step 2: Convert to fraction form
   1,281,453/2,818,707 = 2,818,707/x
3. Step 3: Cross multiply
   1,281,453x = 2,818,707 × 2,818,707
4. Step 4: Simplify right side
   1,281,453x = 7,945,109,151,849
5. Step 5: Solve for x
   x = 7,945,109,151,849/1,281,453
6. Step 6: Final answer
   x = 6,200,078.47