Finding the Third Proportional to 395,705.50 and 613,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   395,705.50 : 613,105.50 = 613,105.50 : x
2. Step 2: Convert to fraction form
   395,705.50/613,105.50 = 613,105.50/x
3. Step 3: Cross multiply
   395,705.50x = 613,105.50 × 613,105.50
4. Step 4: Simplify right side
   395,705.50x = 375,898,354,130.25
5. Step 5: Solve for x
   x = 375,898,354,130.25/395,705.50
6. Step 6: Final answer
   x = 949,944.73