Finding the Third Proportional to 111,600 and 170,010

Step by Step Solution

1. Step 1: Write the proportion equation
   111,600 : 170,010 = 170,010 : x
2. Step 2: Convert to fraction form
   111,600/170,010 = 170,010/x
3. Step 3: Cross multiply
   111,600x = 170,010 × 170,010
4. Step 4: Simplify right side
   111,600x = 28,903,400,100
5. Step 5: Solve for x
   x = 28,903,400,100/111,600
6. Step 6: Final answer
   x = 258,991.04