Finding the Third Proportional to 851,386 and 1,835,648

Step by Step Solution

1. Step 1: Write the proportion equation
   851,386 : 1,835,648 = 1,835,648 : x
2. Step 2: Convert to fraction form
   851,386/1,835,648 = 1,835,648/x
3. Step 3: Cross multiply
   851,386x = 1,835,648 × 1,835,648
4. Step 4: Simplify right side
   851,386x = 3,369,603,579,904
5. Step 5: Solve for x
   x = 3,369,603,579,904/851,386
6. Step 6: Final answer
   x = 3,957,785.99