Finding the Third Proportional to 42,403.50 and 65,441.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,403.50 : 65,441.25 = 65,441.25 : x
2. Step 2: Convert to fraction form
   42,403.50/65,441.25 = 65,441.25/x
3. Step 3: Cross multiply
   42,403.50x = 65,441.25 × 65,441.25
4. Step 4: Simplify right side
   42,403.50x = 4,282,557,201.56
5. Step 5: Solve for x
   x = 4,282,557,201.56/42,403.50
6. Step 6: Final answer
   x = 100,995.37