Finding the Third Proportional to 59,120 and 131,378

Step by Step Solution

1. Step 1: Write the proportion equation
   59,120 : 131,378 = 131,378 : x
2. Step 2: Convert to fraction form
   59,120/131,378 = 131,378/x
3. Step 3: Cross multiply
   59,120x = 131,378 × 131,378
4. Step 4: Simplify right side
   59,120x = 17,260,178,884
5. Step 5: Solve for x
   x = 17,260,178,884/59,120
6. Step 6: Final answer
   x = 291,951.60