Finding the Third Proportional to 42,441 and 65,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,441 : 65,017.50 = 65,017.50 : x
2. Step 2: Convert to fraction form
   42,441/65,017.50 = 65,017.50/x
3. Step 3: Cross multiply
   42,441x = 65,017.50 × 65,017.50
4. Step 4: Simplify right side
   42,441x = 4,227,275,306.25
5. Step 5: Solve for x
   x = 4,227,275,306.25/42,441
6. Step 6: Final answer
   x = 99,603.57