Finding the Third Proportional to 45,072 and 84,504

Step by Step Solution

1. Step 1: Write the proportion equation
   45,072 : 84,504 = 84,504 : x
2. Step 2: Convert to fraction form
   45,072/84,504 = 84,504/x
3. Step 3: Cross multiply
   45,072x = 84,504 × 84,504
4. Step 4: Simplify right side
   45,072x = 7,140,926,016
5. Step 5: Solve for x
   x = 7,140,926,016/45,072
6. Step 6: Final answer
   x = 158,433.75