Finding the Third Proportional to 408,900 and 880,008

Step by Step Solution

1. Step 1: Write the proportion equation
   408,900 : 880,008 = 880,008 : x
2. Step 2: Convert to fraction form
   408,900/880,008 = 880,008/x
3. Step 3: Cross multiply
   408,900x = 880,008 × 880,008
4. Step 4: Simplify right side
   408,900x = 774,414,080,064
5. Step 5: Solve for x
   x = 774,414,080,064/408,900
6. Step 6: Final answer
   x = 1,893,896.01