Finding the Third Proportional to 10,189.50 and 14,820

Step by Step Solution

1. Step 1: Write the proportion equation
   10,189.50 : 14,820 = 14,820 : x
2. Step 2: Convert to fraction form
   10,189.50/14,820 = 14,820/x
3. Step 3: Cross multiply
   10,189.50x = 14,820 × 14,820
4. Step 4: Simplify right side
   10,189.50x = 219,632,400
5. Step 5: Solve for x
   x = 219,632,400/10,189.50
6. Step 6: Final answer
   x = 21,554.78