Finding the Third Proportional to 131,601 and 288,192

Step by Step Solution

1. Step 1: Write the proportion equation
   131,601 : 288,192 = 288,192 : x
2. Step 2: Convert to fraction form
   131,601/288,192 = 288,192/x
3. Step 3: Cross multiply
   131,601x = 288,192 × 288,192
4. Step 4: Simplify right side
   131,601x = 83,054,628,864
5. Step 5: Solve for x
   x = 83,054,628,864/131,601
6. Step 6: Final answer
   x = 631,109.41