Finding the Third Proportional to 1,825,821 and 2,838,186

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825,821 : 2,838,186 = 2,838,186 : x
2. Step 2: Convert to fraction form
   1,825,821/2,838,186 = 2,838,186/x
3. Step 3: Cross multiply
   1,825,821x = 2,838,186 × 2,838,186
4. Step 4: Simplify right side
   1,825,821x = 8,055,299,770,596
5. Step 5: Solve for x
   x = 8,055,299,770,596/1,825,821
6. Step 6: Final answer
   x = 4,411,878.15