Finding the Third Proportional to 389,754 and 880,323.75

Step by Step Solution

1. Step 1: Write the proportion equation
   389,754 : 880,323.75 = 880,323.75 : x
2. Step 2: Convert to fraction form
   389,754/880,323.75 = 880,323.75/x
3. Step 3: Cross multiply
   389,754x = 880,323.75 × 880,323.75
4. Step 4: Simplify right side
   389,754x = 774,969,904,814.06
5. Step 5: Solve for x
   x = 774,969,904,814.06/389,754
6. Step 6: Final answer
   x = 1,988,356.51