Finding the Third Proportional to 13,860 and 30,072

Step by Step Solution

1. Step 1: Write the proportion equation
   13,860 : 30,072 = 30,072 : x
2. Step 2: Convert to fraction form
   13,860/30,072 = 30,072/x
3. Step 3: Cross multiply
   13,860x = 30,072 × 30,072
4. Step 4: Simplify right side
   13,860x = 904,325,184
5. Step 5: Solve for x
   x = 904,325,184/13,860
6. Step 6: Final answer
   x = 65,247.13