Finding the Third Proportional to 11,422 and 12,610

Step by Step Solution

1. Step 1: Write the proportion equation
   11,422 : 12,610 = 12,610 : x
2. Step 2: Convert to fraction form
   11,422/12,610 = 12,610/x
3. Step 3: Cross multiply
   11,422x = 12,610 × 12,610
4. Step 4: Simplify right side
   11,422x = 159,012,100
5. Step 5: Solve for x
   x = 159,012,100/11,422
6. Step 6: Final answer
   x = 13,921.56