Finding the Third Proportional to 855,392 and 1,837,142

Step by Step Solution

1. Step 1: Write the proportion equation
   855,392 : 1,837,142 = 1,837,142 : x
2. Step 2: Convert to fraction form
   855,392/1,837,142 = 1,837,142/x
3. Step 3: Cross multiply
   855,392x = 1,837,142 × 1,837,142
4. Step 4: Simplify right side
   855,392x = 3,375,090,728,164
5. Step 5: Solve for x
   x = 3,375,090,728,164/855,392
6. Step 6: Final answer
   x = 3,945,665.53