Finding the Third Proportional to 161,418 and 375,105

Step by Step Solution

1. Step 1: Write the proportion equation
   161,418 : 375,105 = 375,105 : x
2. Step 2: Convert to fraction form
   161,418/375,105 = 375,105/x
3. Step 3: Cross multiply
   161,418x = 375,105 × 375,105
4. Step 4: Simplify right side
   161,418x = 140,703,761,025
5. Step 5: Solve for x
   x = 140,703,761,025/161,418
6. Step 6: Final answer
   x = 871,673.30