Finding the Third Proportional to 11,860 and 19,406

Step by Step Solution

1. Step 1: Write the proportion equation
   11,860 : 19,406 = 19,406 : x
2. Step 2: Convert to fraction form
   11,860/19,406 = 19,406/x
3. Step 3: Cross multiply
   11,860x = 19,406 × 19,406
4. Step 4: Simplify right side
   11,860x = 376,592,836
5. Step 5: Solve for x
   x = 376,592,836/11,860
6. Step 6: Final answer
   x = 31,753.19