Finding the Third Proportional to 184,735.50 and 398,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   184,735.50 : 398,314.50 = 398,314.50 : x
2. Step 2: Convert to fraction form
   184,735.50/398,314.50 = 398,314.50/x
3. Step 3: Cross multiply
   184,735.50x = 398,314.50 × 398,314.50
4. Step 4: Simplify right side
   184,735.50x = 158,654,440,910.25
5. Step 5: Solve for x
   x = 158,654,440,910.25/184,735.50
6. Step 6: Final answer
   x = 858,819.45