Finding the Third Proportional to 2,564,788 and 3,987,186

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,788 : 3,987,186 = 3,987,186 : x
2. Step 2: Convert to fraction form
   2,564,788/3,987,186 = 3,987,186/x
3. Step 3: Cross multiply
   2,564,788x = 3,987,186 × 3,987,186
4. Step 4: Simplify right side
   2,564,788x = 15,897,652,198,596
5. Step 5: Solve for x
   x = 15,897,652,198,596/2,564,788
6. Step 6: Final answer
   x = 6,198,427.39