Finding the Third Proportional to 59,400 and 128,010

Step by Step Solution

1. Step 1: Write the proportion equation
   59,400 : 128,010 = 128,010 : x
2. Step 2: Convert to fraction form
   59,400/128,010 = 128,010/x
3. Step 3: Cross multiply
   59,400x = 128,010 × 128,010
4. Step 4: Simplify right side
   59,400x = 16,386,560,100
5. Step 5: Solve for x
   x = 16,386,560,100/59,400
6. Step 6: Final answer
   x = 275,868.02