Finding the Third Proportional to 855,184 and 1,859,216

Step by Step Solution

1. Step 1: Write the proportion equation
   855,184 : 1,859,216 = 1,859,216 : x
2. Step 2: Convert to fraction form
   855,184/1,859,216 = 1,859,216/x
3. Step 3: Cross multiply
   855,184x = 1,859,216 × 1,859,216
4. Step 4: Simplify right side
   855,184x = 3,456,684,134,656
5. Step 5: Solve for x
   x = 3,456,684,134,656/855,184
6. Step 6: Final answer
   x = 4,042,035.56