Finding the Third Proportional to 72,042 and 113,988

Step by Step Solution

1. Step 1: Write the proportion equation
   72,042 : 113,988 = 113,988 : x
2. Step 2: Convert to fraction form
   72,042/113,988 = 113,988/x
3. Step 3: Cross multiply
   72,042x = 113,988 × 113,988
4. Step 4: Simplify right side
   72,042x = 12,993,264,144
5. Step 5: Solve for x
   x = 12,993,264,144/72,042
6. Step 6: Final answer
   x = 180,356.79