Finding the Third Proportional to 118,940 and 161,456

Step by Step Solution

1. Step 1: Write the proportion equation
   118,940 : 161,456 = 161,456 : x
2. Step 2: Convert to fraction form
   118,940/161,456 = 161,456/x
3. Step 3: Cross multiply
   118,940x = 161,456 × 161,456
4. Step 4: Simplify right side
   118,940x = 26,068,039,936
5. Step 5: Solve for x
   x = 26,068,039,936/118,940
6. Step 6: Final answer
   x = 219,169.66