Finding the Third Proportional to 290,552 and 632,568

Step by Step Solution

1. Step 1: Write the proportion equation
   290,552 : 632,568 = 632,568 : x
2. Step 2: Convert to fraction form
   290,552/632,568 = 632,568/x
3. Step 3: Cross multiply
   290,552x = 632,568 × 632,568
4. Step 4: Simplify right side
   290,552x = 400,142,274,624
5. Step 5: Solve for x
   x = 400,142,274,624/290,552
6. Step 6: Final answer
   x = 1,377,179.56