Finding the Third Proportional to 42,350 and 90,328

Step by Step Solution

1. Step 1: Write the proportion equation
   42,350 : 90,328 = 90,328 : x
2. Step 2: Convert to fraction form
   42,350/90,328 = 90,328/x
3. Step 3: Cross multiply
   42,350x = 90,328 × 90,328
4. Step 4: Simplify right side
   42,350x = 8,159,147,584
5. Step 5: Solve for x
   x = 8,159,147,584/42,350
6. Step 6: Final answer
   x = 192,659.92