Finding the Third Proportional to 172,159 and 242,008

Step by Step Solution

1. Step 1: Write the proportion equation
   172,159 : 242,008 = 242,008 : x
2. Step 2: Convert to fraction form
   172,159/242,008 = 242,008/x
3. Step 3: Cross multiply
   172,159x = 242,008 × 242,008
4. Step 4: Simplify right side
   172,159x = 58,567,872,064
5. Step 5: Solve for x
   x = 58,567,872,064/172,159
6. Step 6: Final answer
   x = 340,196.40