Finding the Third Proportional to 403,789.50 and 874,449

Step by Step Solution

1. Step 1: Write the proportion equation
   403,789.50 : 874,449 = 874,449 : x
2. Step 2: Convert to fraction form
   403,789.50/874,449 = 874,449/x
3. Step 3: Cross multiply
   403,789.50x = 874,449 × 874,449
4. Step 4: Simplify right side
   403,789.50x = 764,661,053,601
5. Step 5: Solve for x
   x = 764,661,053,601/403,789.50
6. Step 6: Final answer
   x = 1,893,712.08