Finding the Third Proportional to 404,454 and 869,964

Step by Step Solution

1. Step 1: Write the proportion equation
   404,454 : 869,964 = 869,964 : x
2. Step 2: Convert to fraction form
   404,454/869,964 = 869,964/x
3. Step 3: Cross multiply
   404,454x = 869,964 × 869,964
4. Step 4: Simplify right side
   404,454x = 756,837,361,296
5. Step 5: Solve for x
   x = 756,837,361,296/404,454
6. Step 6: Final answer
   x = 1,871,256.96