Finding the Third Proportional to 90,168 and 134,736

Step by Step Solution

1. Step 1: Write the proportion equation
   90,168 : 134,736 = 134,736 : x
2. Step 2: Convert to fraction form
   90,168/134,736 = 134,736/x
3. Step 3: Cross multiply
   90,168x = 134,736 × 134,736
4. Step 4: Simplify right side
   90,168x = 18,153,789,696
5. Step 5: Solve for x
   x = 18,153,789,696/90,168
6. Step 6: Final answer
   x = 201,332.95