Finding the Third Proportional to 1,435,618 and 2,229,279

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435,618 : 2,229,279 = 2,229,279 : x
2. Step 2: Convert to fraction form
   1,435,618/2,229,279 = 2,229,279/x
3. Step 3: Cross multiply
   1,435,618x = 2,229,279 × 2,229,279
4. Step 4: Simplify right side
   1,435,618x = 4,969,684,859,841
5. Step 5: Solve for x
   x = 4,969,684,859,841/1,435,618
6. Step 6: Final answer
   x = 3,461,704.20