Finding the Third Proportional to 556,544 and 1,218,048

Step by Step Solution

1. Step 1: Write the proportion equation
   556,544 : 1,218,048 = 1,218,048 : x
2. Step 2: Convert to fraction form
   556,544/1,218,048 = 1,218,048/x
3. Step 3: Cross multiply
   556,544x = 1,218,048 × 1,218,048
4. Step 4: Simplify right side
   556,544x = 1,483,640,930,304
5. Step 5: Solve for x
   x = 1,483,640,930,304/556,544
6. Step 6: Final answer
   x = 2,665,810.66