Finding the Third Proportional to 42,108 and 90,054

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108 : 90,054 = 90,054 : x
2. Step 2: Convert to fraction form
   42,108/90,054 = 90,054/x
3. Step 3: Cross multiply
   42,108x = 90,054 × 90,054
4. Step 4: Simplify right side
   42,108x = 8,109,722,916
5. Step 5: Solve for x
   x = 8,109,722,916/42,108
6. Step 6: Final answer
   x = 192,593.40