Finding the Third Proportional to 320,268 and 741,341.50

Step by Step Solution

1. Step 1: Write the proportion equation
   320,268 : 741,341.50 = 741,341.50 : x
2. Step 2: Convert to fraction form
   320,268/741,341.50 = 741,341.50/x
3. Step 3: Cross multiply
   320,268x = 741,341.50 × 741,341.50
4. Step 4: Simplify right side
   320,268x = 549,587,219,622.25
5. Step 5: Solve for x
   x = 549,587,219,622.25/320,268
6. Step 6: Final answer
   x = 1,716,022.89