Finding the Third Proportional to 16,860 and 27,090

Step by Step Solution

1. Step 1: Write the proportion equation
   16,860 : 27,090 = 27,090 : x
2. Step 2: Convert to fraction form
   16,860/27,090 = 27,090/x
3. Step 3: Cross multiply
   16,860x = 27,090 × 27,090
4. Step 4: Simplify right side
   16,860x = 733,868,100
5. Step 5: Solve for x
   x = 733,868,100/16,860
6. Step 6: Final answer
   x = 43,527.17