Finding the Third Proportional to 11,911.50 and 18,846

Step by Step Solution

1. Step 1: Write the proportion equation
   11,911.50 : 18,846 = 18,846 : x
2. Step 2: Convert to fraction form
   11,911.50/18,846 = 18,846/x
3. Step 3: Cross multiply
   11,911.50x = 18,846 × 18,846
4. Step 4: Simplify right side
   11,911.50x = 355,171,716
5. Step 5: Solve for x
   x = 355,171,716/11,911.50
6. Step 6: Final answer
   x = 29,817.55