Finding the Third Proportional to 353,900.25 and 764,114.25

Step by Step Solution

1. Step 1: Write the proportion equation
   353,900.25 : 764,114.25 = 764,114.25 : x
2. Step 2: Convert to fraction form
   353,900.25/764,114.25 = 764,114.25/x
3. Step 3: Cross multiply
   353,900.25x = 764,114.25 × 764,114.25
4. Step 4: Simplify right side
   353,900.25x = 583,870,587,053.06
5. Step 5: Solve for x
   x = 583,870,587,053.06/353,900.25
6. Step 6: Final answer
   x = 1,649,816.83