Finding the Third Proportional to 820,282.50 and 1,284,185.25

Step by Step Solution

1. Step 1: Write the proportion equation
   820,282.50 : 1,284,185.25 = 1,284,185.25 : x
2. Step 2: Convert to fraction form
   820,282.50/1,284,185.25 = 1,284,185.25/x
3. Step 3: Cross multiply
   820,282.50x = 1,284,185.25 × 1,284,185.25
4. Step 4: Simplify right side
   820,282.50x = 1,649,131,756,317.56
5. Step 5: Solve for x
   x = 1,649,131,756,317.56/820,282.50
6. Step 6: Final answer
   x = 2,010,443.67