Finding the Third Proportional to 419,480 and 898,280

Step by Step Solution

1. Step 1: Write the proportion equation
   419,480 : 898,280 = 898,280 : x
2. Step 2: Convert to fraction form
   419,480/898,280 = 898,280/x
3. Step 3: Cross multiply
   419,480x = 898,280 × 898,280
4. Step 4: Simplify right side
   419,480x = 806,906,958,400
5. Step 5: Solve for x
   x = 806,906,958,400/419,480
6. Step 6: Final answer
   x = 1,923,588.63