Finding the Third Proportional to 409,105 and 875,066

Step by Step Solution

1. Step 1: Write the proportion equation
   409,105 : 875,066 = 875,066 : x
2. Step 2: Convert to fraction form
   409,105/875,066 = 875,066/x
3. Step 3: Cross multiply
   409,105x = 875,066 × 875,066
4. Step 4: Simplify right side
   409,105x = 765,740,504,356
5. Step 5: Solve for x
   x = 765,740,504,356/409,105
6. Step 6: Final answer
   x = 1,871,745.65