Finding the Third Proportional to 11,895 and 18,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,895 : 18,478.50 = 18,478.50 : x
2. Step 2: Convert to fraction form
   11,895/18,478.50 = 18,478.50/x
3. Step 3: Cross multiply
   11,895x = 18,478.50 × 18,478.50
4. Step 4: Simplify right side
   11,895x = 341,454,962.25
5. Step 5: Solve for x
   x = 341,454,962.25/11,895
6. Step 6: Final answer
   x = 28,705.76