Finding the Third Proportional to 891,209 and 1,855,858

Step by Step Solution

1. Step 1: Write the proportion equation
   891,209 : 1,855,858 = 1,855,858 : x
2. Step 2: Convert to fraction form
   891,209/1,855,858 = 1,855,858/x
3. Step 3: Cross multiply
   891,209x = 1,855,858 × 1,855,858
4. Step 4: Simplify right side
   891,209x = 3,444,208,916,164
5. Step 5: Solve for x
   x = 3,444,208,916,164/891,209
6. Step 6: Final answer
   x = 3,864,647.82