Finding the Third Proportional to 525,708 and 743,864

Step by Step Solution

1. Step 1: Write the proportion equation
   525,708 : 743,864 = 743,864 : x
2. Step 2: Convert to fraction form
   525,708/743,864 = 743,864/x
3. Step 3: Cross multiply
   525,708x = 743,864 × 743,864
4. Step 4: Simplify right side
   525,708x = 553,333,650,496
5. Step 5: Solve for x
   x = 553,333,650,496/525,708
6. Step 6: Final answer
   x = 1,052,549.42