Finding the Third Proportional to 403,168 and 880,016

Step by Step Solution

1. Step 1: Write the proportion equation
   403,168 : 880,016 = 880,016 : x
2. Step 2: Convert to fraction form
   403,168/880,016 = 880,016/x
3. Step 3: Cross multiply
   403,168x = 880,016 × 880,016
4. Step 4: Simplify right side
   403,168x = 774,428,160,256
5. Step 5: Solve for x
   x = 774,428,160,256/403,168
6. Step 6: Final answer
   x = 1,920,857.21