Finding the Third Proportional to 407,008 and 884,078

Step by Step Solution

1. Step 1: Write the proportion equation
   407,008 : 884,078 = 884,078 : x
2. Step 2: Convert to fraction form
   407,008/884,078 = 884,078/x
3. Step 3: Cross multiply
   407,008x = 884,078 × 884,078
4. Step 4: Simplify right side
   407,008x = 781,593,910,084
5. Step 5: Solve for x
   x = 781,593,910,084/407,008
6. Step 6: Final answer
   x = 1,920,340.41