Finding the Third Proportional to 10,112 and 13,480

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112 : 13,480 = 13,480 : x
2. Step 2: Convert to fraction form
   10,112/13,480 = 13,480/x
3. Step 3: Cross multiply
   10,112x = 13,480 × 13,480
4. Step 4: Simplify right side
   10,112x = 181,710,400
5. Step 5: Solve for x
   x = 181,710,400/10,112
6. Step 6: Final answer
   x = 17,969.78