Finding the Third Proportional to 10,140 and 13,450

Step by Step Solution

1. Step 1: Write the proportion equation
   10,140 : 13,450 = 13,450 : x
2. Step 2: Convert to fraction form
   10,140/13,450 = 13,450/x
3. Step 3: Cross multiply
   10,140x = 13,450 × 13,450
4. Step 4: Simplify right side
   10,140x = 180,902,500
5. Step 5: Solve for x
   x = 180,902,500/10,140
6. Step 6: Final answer
   x = 17,840.48