Finding the Third Proportional to 9,860 and 16,550

Step by Step Solution

1. Step 1: Write the proportion equation
   9,860 : 16,550 = 16,550 : x
2. Step 2: Convert to fraction form
   9,860/16,550 = 16,550/x
3. Step 3: Cross multiply
   9,860x = 16,550 × 16,550
4. Step 4: Simplify right side
   9,860x = 273,902,500
5. Step 5: Solve for x
   x = 273,902,500/9,860
6. Step 6: Final answer
   x = 27,779.16