Finding the Third Proportional to 855,042 and 1,353,863

Step by Step Solution

1. Step 1: Write the proportion equation
   855,042 : 1,353,863 = 1,353,863 : x
2. Step 2: Convert to fraction form
   855,042/1,353,863 = 1,353,863/x
3. Step 3: Cross multiply
   855,042x = 1,353,863 × 1,353,863
4. Step 4: Simplify right side
   855,042x = 1,832,945,022,769
5. Step 5: Solve for x
   x = 1,832,945,022,769/855,042
6. Step 6: Final answer
   x = 2,143,690.04