Finding the Third Proportional to 1,822,782 and 3,988,674

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,782 : 3,988,674 = 3,988,674 : x
2. Step 2: Convert to fraction form
   1,822,782/3,988,674 = 3,988,674/x
3. Step 3: Cross multiply
   1,822,782x = 3,988,674 × 3,988,674
4. Step 4: Simplify right side
   1,822,782x = 15,909,520,278,276
5. Step 5: Solve for x
   x = 15,909,520,278,276/1,822,782
6. Step 6: Final answer
   x = 8,728,153.05