Finding the Third Proportional to 404,842 and 871,964

Step by Step Solution

1. Step 1: Write the proportion equation
   404,842 : 871,964 = 871,964 : x
2. Step 2: Convert to fraction form
   404,842/871,964 = 871,964/x
3. Step 3: Cross multiply
   404,842x = 871,964 × 871,964
4. Step 4: Simplify right side
   404,842x = 760,321,217,296
5. Step 5: Solve for x
   x = 760,321,217,296/404,842
6. Step 6: Final answer
   x = 1,878,069.02