Finding the Third Proportional to 306,049.50 and 671,133

Step by Step Solution

1. Step 1: Write the proportion equation
   306,049.50 : 671,133 = 671,133 : x
2. Step 2: Convert to fraction form
   306,049.50/671,133 = 671,133/x
3. Step 3: Cross multiply
   306,049.50x = 671,133 × 671,133
4. Step 4: Simplify right side
   306,049.50x = 450,419,503,689
5. Step 5: Solve for x
   x = 450,419,503,689/306,049.50
6. Step 6: Final answer
   x = 1,471,721.09