Finding the Third Proportional to 1,247,798 and 2,554,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,798 : 2,554,618 = 2,554,618 : x
2. Step 2: Convert to fraction form
   1,247,798/2,554,618 = 2,554,618/x
3. Step 3: Cross multiply
   1,247,798x = 2,554,618 × 2,554,618
4. Step 4: Simplify right side
   1,247,798x = 6,526,073,125,924
5. Step 5: Solve for x
   x = 6,526,073,125,924/1,247,798
6. Step 6: Final answer
   x = 5,230,071.80