Finding the Third Proportional to 42,379.03 and 65,661.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,379.03 : 65,661.47 = 65,661.47 : x
2. Step 2: Convert to fraction form
   42,379.03/65,661.47 = 65,661.47/x
3. Step 3: Cross multiply
   42,379.03x = 65,661.47 × 65,661.47
4. Step 4: Simplify right side
   42,379.03x = 4,311,428,478.41
5. Step 5: Solve for x
   x = 4,311,428,478.41/42,379.03
6. Step 6: Final answer
   x = 101,734.95