Finding the Third Proportional to 40,059.75 and 65,109.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,059.75 : 65,109.75 = 65,109.75 : x
2. Step 2: Convert to fraction form
   40,059.75/65,109.75 = 65,109.75/x
3. Step 3: Cross multiply
   40,059.75x = 65,109.75 × 65,109.75
4. Step 4: Simplify right side
   40,059.75x = 4,239,279,545.06
5. Step 5: Solve for x
   x = 4,239,279,545.06/40,059.75
6. Step 6: Final answer
   x = 105,823.91