Finding the Third Proportional to 878,084 and 1,916,872

Step by Step Solution

1. Step 1: Write the proportion equation
   878,084 : 1,916,872 = 1,916,872 : x
2. Step 2: Convert to fraction form
   878,084/1,916,872 = 1,916,872/x
3. Step 3: Cross multiply
   878,084x = 1,916,872 × 1,916,872
4. Step 4: Simplify right side
   878,084x = 3,674,398,264,384
5. Step 5: Solve for x
   x = 3,674,398,264,384/878,084
6. Step 6: Final answer
   x = 4,184,563.51