Finding the Third Proportional to 2,806,618 and 4,235,188

Step by Step Solution

1. Step 1: Write the proportion equation
   2,806,618 : 4,235,188 = 4,235,188 : x
2. Step 2: Convert to fraction form
   2,806,618/4,235,188 = 4,235,188/x
3. Step 3: Cross multiply
   2,806,618x = 4,235,188 × 4,235,188
4. Step 4: Simplify right side
   2,806,618x = 17,936,817,395,344
5. Step 5: Solve for x
   x = 17,936,817,395,344/2,806,618
6. Step 6: Final answer
   x = 6,390,900.86