Finding the Third Proportional to 568,872 and 1,218,706

Step by Step Solution

1. Step 1: Write the proportion equation
   568,872 : 1,218,706 = 1,218,706 : x
2. Step 2: Convert to fraction form
   568,872/1,218,706 = 1,218,706/x
3. Step 3: Cross multiply
   568,872x = 1,218,706 × 1,218,706
4. Step 4: Simplify right side
   568,872x = 1,485,244,314,436
5. Step 5: Solve for x
   x = 1,485,244,314,436/568,872
6. Step 6: Final answer
   x = 2,610,858.53