Finding the Third Proportional to 891,216 and 1,855,870

Step by Step Solution

1. Step 1: Write the proportion equation
   891,216 : 1,855,870 = 1,855,870 : x
2. Step 2: Convert to fraction form
   891,216/1,855,870 = 1,855,870/x
3. Step 3: Cross multiply
   891,216x = 1,855,870 × 1,855,870
4. Step 4: Simplify right side
   891,216x = 3,444,253,456,900
5. Step 5: Solve for x
   x = 3,444,253,456,900/891,216
6. Step 6: Final answer
   x = 3,864,667.44