Finding the Third Proportional to 42,894.56 and 65,617.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,894.56 : 65,617.59 = 65,617.59 : x
2. Step 2: Convert to fraction form
   42,894.56/65,617.59 = 65,617.59/x
3. Step 3: Cross multiply
   42,894.56x = 65,617.59 × 65,617.59
4. Step 4: Simplify right side
   42,894.56x = 4,305,668,609.54
5. Step 5: Solve for x
   x = 4,305,668,609.54/42,894.56
6. Step 6: Final answer
   x = 100,377.96