Finding the Third Proportional to 145,518 and 325,056

Step by Step Solution

1. Step 1: Write the proportion equation
   145,518 : 325,056 = 325,056 : x
2. Step 2: Convert to fraction form
   145,518/325,056 = 325,056/x
3. Step 3: Cross multiply
   145,518x = 325,056 × 325,056
4. Step 4: Simplify right side
   145,518x = 105,661,403,136
5. Step 5: Solve for x
   x = 105,661,403,136/145,518
6. Step 6: Final answer
   x = 726,105.38