Finding the Third Proportional to 27,900 and 60,072

Step by Step Solution

1. Step 1: Write the proportion equation
   27,900 : 60,072 = 60,072 : x
2. Step 2: Convert to fraction form
   27,900/60,072 = 60,072/x
3. Step 3: Cross multiply
   27,900x = 60,072 × 60,072
4. Step 4: Simplify right side
   27,900x = 3,608,645,184
5. Step 5: Solve for x
   x = 3,608,645,184/27,900
6. Step 6: Final answer
   x = 129,342.12