Finding the Third Proportional to 131,382 and 288,180

Step by Step Solution

1. Step 1: Write the proportion equation
   131,382 : 288,180 = 288,180 : x
2. Step 2: Convert to fraction form
   131,382/288,180 = 288,180/x
3. Step 3: Cross multiply
   131,382x = 288,180 × 288,180
4. Step 4: Simplify right side
   131,382x = 83,047,712,400
5. Step 5: Solve for x
   x = 83,047,712,400/131,382
6. Step 6: Final answer
   x = 632,108.75