Finding the Third Proportional to 192,116.25 and 417,456

Step by Step Solution

1. Step 1: Write the proportion equation
   192,116.25 : 417,456 = 417,456 : x
2. Step 2: Convert to fraction form
   192,116.25/417,456 = 417,456/x
3. Step 3: Cross multiply
   192,116.25x = 417,456 × 417,456
4. Step 4: Simplify right side
   192,116.25x = 174,269,511,936
5. Step 5: Solve for x
   x = 174,269,511,936/192,116.25
6. Step 6: Final answer
   x = 907,104.48