Finding the Third Proportional to 550,688 and 1,131,020

Step by Step Solution

1. Step 1: Write the proportion equation
   550,688 : 1,131,020 = 1,131,020 : x
2. Step 2: Convert to fraction form
   550,688/1,131,020 = 1,131,020/x
3. Step 3: Cross multiply
   550,688x = 1,131,020 × 1,131,020
4. Step 4: Simplify right side
   550,688x = 1,279,206,240,400
5. Step 5: Solve for x
   x = 1,279,206,240,400/550,688
6. Step 6: Final answer
   x = 2,322,923.76