Finding the Third Proportional to 105,356 and 141,918

Step by Step Solution

1. Step 1: Write the proportion equation
   105,356 : 141,918 = 141,918 : x
2. Step 2: Convert to fraction form
   105,356/141,918 = 141,918/x
3. Step 3: Cross multiply
   105,356x = 141,918 × 141,918
4. Step 4: Simplify right side
   105,356x = 20,140,718,724
5. Step 5: Solve for x
   x = 20,140,718,724/105,356
6. Step 6: Final answer
   x = 191,168.22