Finding the Third Proportional to 108,172 and 161,358

Step by Step Solution

1. Step 1: Write the proportion equation
   108,172 : 161,358 = 161,358 : x
2. Step 2: Convert to fraction form
   108,172/161,358 = 161,358/x
3. Step 3: Cross multiply
   108,172x = 161,358 × 161,358
4. Step 4: Simplify right side
   108,172x = 26,036,404,164
5. Step 5: Solve for x
   x = 26,036,404,164/108,172
6. Step 6: Final answer
   x = 240,694.49