Finding the Third Proportional to 72,469 and 114,540

Step by Step Solution

1. Step 1: Write the proportion equation
   72,469 : 114,540 = 114,540 : x
2. Step 2: Convert to fraction form
   72,469/114,540 = 114,540/x
3. Step 3: Cross multiply
   72,469x = 114,540 × 114,540
4. Step 4: Simplify right side
   72,469x = 13,119,411,600
5. Step 5: Solve for x
   x = 13,119,411,600/72,469
6. Step 6: Final answer
   x = 181,034.81