Finding the Third Proportional to 891,208 and 1,855,856

Step by Step Solution

1. Step 1: Write the proportion equation
   891,208 : 1,855,856 = 1,855,856 : x
2. Step 2: Convert to fraction form
   891,208/1,855,856 = 1,855,856/x
3. Step 3: Cross multiply
   891,208x = 1,855,856 × 1,855,856
4. Step 4: Simplify right side
   891,208x = 3,444,201,492,736
5. Step 5: Solve for x
   x = 3,444,201,492,736/891,208
6. Step 6: Final answer
   x = 3,864,643.82