Finding the Third Proportional to 1,822,086 and 3,987,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,086 : 3,987,392 = 3,987,392 : x
2. Step 2: Convert to fraction form
   1,822,086/3,987,392 = 3,987,392/x
3. Step 3: Cross multiply
   1,822,086x = 3,987,392 × 3,987,392
4. Step 4: Simplify right side
   1,822,086x = 15,899,294,961,664
5. Step 5: Solve for x
   x = 15,899,294,961,664/1,822,086
6. Step 6: Final answer
   x = 8,725,875.16