Finding the Third Proportional to 393,795 and 606,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   393,795 : 606,028.50 = 606,028.50 : x
2. Step 2: Convert to fraction form
   393,795/606,028.50 = 606,028.50/x
3. Step 3: Cross multiply
   393,795x = 606,028.50 × 606,028.50
4. Step 4: Simplify right side
   393,795x = 367,270,542,812.25
5. Step 5: Solve for x
   x = 367,270,542,812.25/393,795
6. Step 6: Final answer
   x = 932,644.00