Finding the Third Proportional to 131,832 and 288,648

Step by Step Solution

1. Step 1: Write the proportion equation
   131,832 : 288,648 = 288,648 : x
2. Step 2: Convert to fraction form
   131,832/288,648 = 288,648/x
3. Step 3: Cross multiply
   131,832x = 288,648 × 288,648
4. Step 4: Simplify right side
   131,832x = 83,317,667,904
5. Step 5: Solve for x
   x = 83,317,667,904/131,832
6. Step 6: Final answer
   x = 631,998.82