Finding the Third Proportional to 576,720 and 1,258,416

Step by Step Solution

1. Step 1: Write the proportion equation
   576,720 : 1,258,416 = 1,258,416 : x
2. Step 2: Convert to fraction form
   576,720/1,258,416 = 1,258,416/x
3. Step 3: Cross multiply
   576,720x = 1,258,416 × 1,258,416
4. Step 4: Simplify right side
   576,720x = 1,583,610,829,056
5. Step 5: Solve for x
   x = 1,583,610,829,056/576,720
6. Step 6: Final answer
   x = 2,745,891.99