Finding the Third Proportional to 395,695 and 613,621.50

Step by Step Solution

1. Step 1: Write the proportion equation
   395,695 : 613,621.50 = 613,621.50 : x
2. Step 2: Convert to fraction form
   395,695/613,621.50 = 613,621.50/x
3. Step 3: Cross multiply
   395,695x = 613,621.50 × 613,621.50
4. Step 4: Simplify right side
   395,695x = 376,531,345,262.25
5. Step 5: Solve for x
   x = 376,531,345,262.25/395,695
6. Step 6: Final answer
   x = 951,569.63