Finding the Third Proportional to 184,715.50 and 398,901

Step by Step Solution

1. Step 1: Write the proportion equation
   184,715.50 : 398,901 = 398,901 : x
2. Step 2: Convert to fraction form
   184,715.50/398,901 = 398,901/x
3. Step 3: Cross multiply
   184,715.50x = 398,901 × 398,901
4. Step 4: Simplify right side
   184,715.50x = 159,122,007,801
5. Step 5: Solve for x
   x = 159,122,007,801/184,715.50
6. Step 6: Final answer
   x = 861,443.72