Finding the Third Proportional to 891,243 and 1,855,920

Step by Step Solution

1. Step 1: Write the proportion equation
   891,243 : 1,855,920 = 1,855,920 : x
2. Step 2: Convert to fraction form
   891,243/1,855,920 = 1,855,920/x
3. Step 3: Cross multiply
   891,243x = 1,855,920 × 1,855,920
4. Step 4: Simplify right side
   891,243x = 3,444,439,046,400
5. Step 5: Solve for x
   x = 3,444,439,046,400/891,243
6. Step 6: Final answer
   x = 3,864,758.60