Finding the Third Proportional to 192,759.50 and 417,697

Step by Step Solution

1. Step 1: Write the proportion equation
   192,759.50 : 417,697 = 417,697 : x
2. Step 2: Convert to fraction form
   192,759.50/417,697 = 417,697/x
3. Step 3: Cross multiply
   192,759.50x = 417,697 × 417,697
4. Step 4: Simplify right side
   192,759.50x = 174,470,783,809
5. Step 5: Solve for x
   x = 174,470,783,809/192,759.50
6. Step 6: Final answer
   x = 905,121.58