Finding the Third Proportional to 65,965.25 and 128,650

Step by Step Solution

1. Step 1: Write the proportion equation
   65,965.25 : 128,650 = 128,650 : x
2. Step 2: Convert to fraction form
   65,965.25/128,650 = 128,650/x
3. Step 3: Cross multiply
   65,965.25x = 128,650 × 128,650
4. Step 4: Simplify right side
   65,965.25x = 16,550,822,500
5. Step 5: Solve for x
   x = 16,550,822,500/65,965.25
6. Step 6: Final answer
   x = 250,902.14