Finding the Third Proportional to 581,760 and 1,268,640

Step by Step Solution

1. Step 1: Write the proportion equation
   581,760 : 1,268,640 = 1,268,640 : x
2. Step 2: Convert to fraction form
   581,760/1,268,640 = 1,268,640/x
3. Step 3: Cross multiply
   581,760x = 1,268,640 × 1,268,640
4. Step 4: Simplify right side
   581,760x = 1,609,447,449,600
5. Step 5: Solve for x
   x = 1,609,447,449,600/581,760
6. Step 6: Final answer
   x = 2,766,514.46