Finding the Third Proportional to 389,119.50 and 852,049.50

Step by Step Solution

1. Step 1: Write the proportion equation
   389,119.50 : 852,049.50 = 852,049.50 : x
2. Step 2: Convert to fraction form
   389,119.50/852,049.50 = 852,049.50/x
3. Step 3: Cross multiply
   389,119.50x = 852,049.50 × 852,049.50
4. Step 4: Simplify right side
   389,119.50x = 725,988,350,450.25
5. Step 5: Solve for x
   x = 725,988,350,450.25/389,119.50
6. Step 6: Final answer
   x = 1,865,720.81