Finding the Third Proportional to 419,628 and 898,152

Step by Step Solution

1. Step 1: Write the proportion equation
   419,628 : 898,152 = 898,152 : x
2. Step 2: Convert to fraction form
   419,628/898,152 = 898,152/x
3. Step 3: Cross multiply
   419,628x = 898,152 × 898,152
4. Step 4: Simplify right side
   419,628x = 806,677,015,104
5. Step 5: Solve for x
   x = 806,677,015,104/419,628
6. Step 6: Final answer
   x = 1,922,362.22