Finding the Third Proportional to 13,340 and 15,212

Step by Step Solution

1. Step 1: Write the proportion equation
   13,340 : 15,212 = 15,212 : x
2. Step 2: Convert to fraction form
   13,340/15,212 = 15,212/x
3. Step 3: Cross multiply
   13,340x = 15,212 × 15,212
4. Step 4: Simplify right side
   13,340x = 231,404,944
5. Step 5: Solve for x
   x = 231,404,944/13,340
6. Step 6: Final answer
   x = 17,346.70