Finding the Third Proportional to 419,782.50 and 905,904

Step by Step Solution

1. Step 1: Write the proportion equation
   419,782.50 : 905,904 = 905,904 : x
2. Step 2: Convert to fraction form
   419,782.50/905,904 = 905,904/x
3. Step 3: Cross multiply
   419,782.50x = 905,904 × 905,904
4. Step 4: Simplify right side
   419,782.50x = 820,662,057,216
5. Step 5: Solve for x
   x = 820,662,057,216/419,782.50
6. Step 6: Final answer
   x = 1,954,969.67