Finding the Third Proportional to 192,803.50 and 417,784

Step by Step Solution

1. Step 1: Write the proportion equation
   192,803.50 : 417,784 = 417,784 : x
2. Step 2: Convert to fraction form
   192,803.50/417,784 = 417,784/x
3. Step 3: Cross multiply
   192,803.50x = 417,784 × 417,784
4. Step 4: Simplify right side
   192,803.50x = 174,543,470,656
5. Step 5: Solve for x
   x = 174,543,470,656/192,803.50
6. Step 6: Final answer
   x = 905,292.02