Finding the Third Proportional to 90,168 and 140,168

Step by Step Solution

1. Step 1: Write the proportion equation
   90,168 : 140,168 = 140,168 : x
2. Step 2: Convert to fraction form
   90,168/140,168 = 140,168/x
3. Step 3: Cross multiply
   90,168x = 140,168 × 140,168
4. Step 4: Simplify right side
   90,168x = 19,647,068,224
5. Step 5: Solve for x
   x = 19,647,068,224/90,168
6. Step 6: Final answer
   x = 217,894.02