Finding the Third Proportional to 131,280 and 196,880

Step by Step Solution

1. Step 1: Write the proportion equation
   131,280 : 196,880 = 196,880 : x
2. Step 2: Convert to fraction form
   131,280/196,880 = 196,880/x
3. Step 3: Cross multiply
   131,280x = 196,880 × 196,880
4. Step 4: Simplify right side
   131,280x = 38,761,734,400
5. Step 5: Solve for x
   x = 38,761,734,400/131,280
6. Step 6: Final answer
   x = 295,260.01