Finding the Third Proportional to 581,648 and 875,388

Step by Step Solution

1. Step 1: Write the proportion equation
   581,648 : 875,388 = 875,388 : x
2. Step 2: Convert to fraction form
   581,648/875,388 = 875,388/x
3. Step 3: Cross multiply
   581,648x = 875,388 × 875,388
4. Step 4: Simplify right side
   581,648x = 766,304,150,544
5. Step 5: Solve for x
   x = 766,304,150,544/581,648
6. Step 6: Final answer
   x = 1,317,470.62