Finding the Third Proportional to 404,422 and 880,190

Step by Step Solution

1. Step 1: Write the proportion equation
   404,422 : 880,190 = 880,190 : x
2. Step 2: Convert to fraction form
   404,422/880,190 = 880,190/x
3. Step 3: Cross multiply
   404,422x = 880,190 × 880,190
4. Step 4: Simplify right side
   404,422x = 774,734,436,100
5. Step 5: Solve for x
   x = 774,734,436,100/404,422
6. Step 6: Final answer
   x = 1,915,658.49