Finding the Third Proportional to 489,144 and 1,009,716

Step by Step Solution

1. Step 1: Write the proportion equation
   489,144 : 1,009,716 = 1,009,716 : x
2. Step 2: Convert to fraction form
   489,144/1,009,716 = 1,009,716/x
3. Step 3: Cross multiply
   489,144x = 1,009,716 × 1,009,716
4. Step 4: Simplify right side
   489,144x = 1,019,526,400,656
5. Step 5: Solve for x
   x = 1,019,526,400,656/489,144
6. Step 6: Final answer
   x = 2,084,307.28