Finding the Third Proportional to 90,440 and 133,042

Step by Step Solution

1. Step 1: Write the proportion equation
   90,440 : 133,042 = 133,042 : x
2. Step 2: Convert to fraction form
   90,440/133,042 = 133,042/x
3. Step 3: Cross multiply
   90,440x = 133,042 × 133,042
4. Step 4: Simplify right side
   90,440x = 17,700,173,764
5. Step 5: Solve for x
   x = 17,700,173,764/90,440
6. Step 6: Final answer
   x = 195,711.78