Finding the Third Proportional to 42,896.25 and 65,619.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,896.25 : 65,619.75 = 65,619.75 : x
2. Step 2: Convert to fraction form
   42,896.25/65,619.75 = 65,619.75/x
3. Step 3: Cross multiply
   42,896.25x = 65,619.75 × 65,619.75
4. Step 4: Simplify right side
   42,896.25x = 4,305,951,590.06
5. Step 5: Solve for x
   x = 4,305,951,590.06/42,896.25
6. Step 6: Final answer
   x = 100,380.61