Finding the Third Proportional to 42,280.75 and 65,010.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,280.75 : 65,010.75 = 65,010.75 : x
2. Step 2: Convert to fraction form
   42,280.75/65,010.75 = 65,010.75/x
3. Step 3: Cross multiply
   42,280.75x = 65,010.75 × 65,010.75
4. Step 4: Simplify right side
   42,280.75x = 4,226,397,615.56
5. Step 5: Solve for x
   x = 4,226,397,615.56/42,280.75
6. Step 6: Final answer
   x = 99,960.33