Finding the Third Proportional to 17,112 and 27,120

Step by Step Solution

1. Step 1: Write the proportion equation
   17,112 : 27,120 = 27,120 : x
2. Step 2: Convert to fraction form
   17,112/27,120 = 27,120/x
3. Step 3: Cross multiply
   17,112x = 27,120 × 27,120
4. Step 4: Simplify right side
   17,112x = 735,494,400
5. Step 5: Solve for x
   x = 735,494,400/17,112
6. Step 6: Final answer
   x = 42,981.21