Finding the Third Proportional to 90,795 and 140,915

Step by Step Solution

1. Step 1: Write the proportion equation
   90,795 : 140,915 = 140,915 : x
2. Step 2: Convert to fraction form
   90,795/140,915 = 140,915/x
3. Step 3: Cross multiply
   90,795x = 140,915 × 140,915
4. Step 4: Simplify right side
   90,795x = 19,857,037,225
5. Step 5: Solve for x
   x = 19,857,037,225/90,795
6. Step 6: Final answer
   x = 218,701.88