Finding the Third Proportional to 40,905 and 65,245.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,905 : 65,245.50 = 65,245.50 : x
2. Step 2: Convert to fraction form
   40,905/65,245.50 = 65,245.50/x
3. Step 3: Cross multiply
   40,905x = 65,245.50 × 65,245.50
4. Step 4: Simplify right side
   40,905x = 4,256,975,270.25
5. Step 5: Solve for x
   x = 4,256,975,270.25/40,905
6. Step 6: Final answer
   x = 104,069.80