Finding the Third Proportional to 404,845 and 605,037.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,845 : 605,037.50 = 605,037.50 : x
2. Step 2: Convert to fraction form
   404,845/605,037.50 = 605,037.50/x
3. Step 3: Cross multiply
   404,845x = 605,037.50 × 605,037.50
4. Step 4: Simplify right side
   404,845x = 366,070,376,406.25
5. Step 5: Solve for x
   x = 366,070,376,406.25/404,845
6. Step 6: Final answer
   x = 904,223.53