Finding the Third Proportional to 11,787.50 and 18,395.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,787.50 : 18,395.25 = 18,395.25 : x
2. Step 2: Convert to fraction form
   11,787.50/18,395.25 = 18,395.25/x
3. Step 3: Cross multiply
   11,787.50x = 18,395.25 × 18,395.25
4. Step 4: Simplify right side
   11,787.50x = 338,385,222.56
5. Step 5: Solve for x
   x = 338,385,222.56/11,787.50
6. Step 6: Final answer
   x = 28,707.12