Finding the Third Proportional to 90,296 and 134,144

Step by Step Solution

1. Step 1: Write the proportion equation
   90,296 : 134,144 = 134,144 : x
2. Step 2: Convert to fraction form
   90,296/134,144 = 134,144/x
3. Step 3: Cross multiply
   90,296x = 134,144 × 134,144
4. Step 4: Simplify right side
   90,296x = 17,994,612,736
5. Step 5: Solve for x
   x = 17,994,612,736/90,296
6. Step 6: Final answer
   x = 199,284.72