Finding the Third Proportional to 7,160 and 12,610

Step by Step Solution

1. Step 1: Write the proportion equation
   7,160 : 12,610 = 12,610 : x
2. Step 2: Convert to fraction form
   7,160/12,610 = 12,610/x
3. Step 3: Cross multiply
   7,160x = 12,610 × 12,610
4. Step 4: Simplify right side
   7,160x = 159,012,100
5. Step 5: Solve for x
   x = 159,012,100/7,160
6. Step 6: Final answer
   x = 22,208.39