Finding the Third Proportional to 404,160 and 879,276

Step by Step Solution

1. Step 1: Write the proportion equation
   404,160 : 879,276 = 879,276 : x
2. Step 2: Convert to fraction form
   404,160/879,276 = 879,276/x
3. Step 3: Cross multiply
   404,160x = 879,276 × 879,276
4. Step 4: Simplify right side
   404,160x = 773,126,284,176
5. Step 5: Solve for x
   x = 773,126,284,176/404,160
6. Step 6: Final answer
   x = 1,912,921.33