Finding the Third Proportional to 404,482.50 and 877,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,482.50 : 877,717.50 = 877,717.50 : x
2. Step 2: Convert to fraction form
   404,482.50/877,717.50 = 877,717.50/x
3. Step 3: Cross multiply
   404,482.50x = 877,717.50 × 877,717.50
4. Step 4: Simplify right side
   404,482.50x = 770,388,009,806.25
5. Step 5: Solve for x
   x = 770,388,009,806.25/404,482.50
6. Step 6: Final answer
   x = 1,904,626.31