Finding the Third Proportional to 1,247,788 and 2,554,687

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,788 : 2,554,687 = 2,554,687 : x
2. Step 2: Convert to fraction form
   1,247,788/2,554,687 = 2,554,687/x
3. Step 3: Cross multiply
   1,247,788x = 2,554,687 × 2,554,687
4. Step 4: Simplify right side
   1,247,788x = 6,526,425,667,969
5. Step 5: Solve for x
   x = 6,526,425,667,969/1,247,788
6. Step 6: Final answer
   x = 5,230,396.24