Finding the Third Proportional to 1,281,436 and 2,818,670

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,436 : 2,818,670 = 2,818,670 : x
2. Step 2: Convert to fraction form
   1,281,436/2,818,670 = 2,818,670/x
3. Step 3: Cross multiply
   1,281,436x = 2,818,670 × 2,818,670
4. Step 4: Simplify right side
   1,281,436x = 7,944,900,568,900
5. Step 5: Solve for x
   x = 7,944,900,568,900/1,281,436
6. Step 6: Final answer
   x = 6,199,997.95