Finding the Third Proportional to 1,130 and 1,250

Step by Step Solution

1. Step 1: Write the proportion equation
   1,130 : 1,250 = 1,250 : x
2. Step 2: Convert to fraction form
   1,130/1,250 = 1,250/x
3. Step 3: Cross multiply
   1,130x = 1,250 × 1,250
4. Step 4: Simplify right side
   1,130x = 1,562,500
5. Step 5: Solve for x
   x = 1,562,500/1,130
6. Step 6: Final answer
   x = 1,382.74