Finding the Third Proportional to 12,460 and 19,339

Step by Step Solution

1. Step 1: Write the proportion equation
   12,460 : 19,339 = 19,339 : x
2. Step 2: Convert to fraction form
   12,460/19,339 = 19,339/x
3. Step 3: Cross multiply
   12,460x = 19,339 × 19,339
4. Step 4: Simplify right side
   12,460x = 373,996,921
5. Step 5: Solve for x
   x = 373,996,921/12,460
6. Step 6: Final answer
   x = 30,015.80