Finding the Third Proportional to 59,800 and 131,210

Step by Step Solution

1. Step 1: Write the proportion equation
   59,800 : 131,210 = 131,210 : x
2. Step 2: Convert to fraction form
   59,800/131,210 = 131,210/x
3. Step 3: Cross multiply
   59,800x = 131,210 × 131,210
4. Step 4: Simplify right side
   59,800x = 17,216,064,100
5. Step 5: Solve for x
   x = 17,216,064,100/59,800
6. Step 6: Final answer
   x = 287,894.05