Finding the Third Proportional to 558,522 and 863,055

Step by Step Solution

1. Step 1: Write the proportion equation
   558,522 : 863,055 = 863,055 : x
2. Step 2: Convert to fraction form
   558,522/863,055 = 863,055/x
3. Step 3: Cross multiply
   558,522x = 863,055 × 863,055
4. Step 4: Simplify right side
   558,522x = 744,863,933,025
5. Step 5: Solve for x
   x = 744,863,933,025/558,522
6. Step 6: Final answer
   x = 1,333,634.01