Finding the Third Proportional to 90,659 and 127,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,659 : 127,441.50 = 127,441.50 : x
2. Step 2: Convert to fraction form
   90,659/127,441.50 = 127,441.50/x
3. Step 3: Cross multiply
   90,659x = 127,441.50 × 127,441.50
4. Step 4: Simplify right side
   90,659x = 16,241,335,922.25
5. Step 5: Solve for x
   x = 16,241,335,922.25/90,659
6. Step 6: Final answer
   x = 179,147.53