Finding the Third Proportional to 33,900 and 72,504

Step by Step Solution

1. Step 1: Write the proportion equation
   33,900 : 72,504 = 72,504 : x
2. Step 2: Convert to fraction form
   33,900/72,504 = 72,504/x
3. Step 3: Cross multiply
   33,900x = 72,504 × 72,504
4. Step 4: Simplify right side
   33,900x = 5,256,830,016
5. Step 5: Solve for x
   x = 5,256,830,016/33,900
6. Step 6: Final answer
   x = 155,068.73