Finding the Third Proportional to 90,108 and 141,348

Step by Step Solution

1. Step 1: Write the proportion equation
   90,108 : 141,348 = 141,348 : x
2. Step 2: Convert to fraction form
   90,108/141,348 = 141,348/x
3. Step 3: Cross multiply
   90,108x = 141,348 × 141,348
4. Step 4: Simplify right side
   90,108x = 19,979,257,104
5. Step 5: Solve for x
   x = 19,979,257,104/90,108
6. Step 6: Final answer
   x = 221,725.67