Finding the Third Proportional to 489,056 and 1,036,990

Step by Step Solution

1. Step 1: Write the proportion equation
   489,056 : 1,036,990 = 1,036,990 : x
2. Step 2: Convert to fraction form
   489,056/1,036,990 = 1,036,990/x
3. Step 3: Cross multiply
   489,056x = 1,036,990 × 1,036,990
4. Step 4: Simplify right side
   489,056x = 1,075,348,260,100
5. Step 5: Solve for x
   x = 1,075,348,260,100/489,056
6. Step 6: Final answer
   x = 2,198,824.39