Finding the Third Proportional to 42,923.25 and 65,665.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,923.25 : 65,665.69 = 65,665.69 : x
2. Step 2: Convert to fraction form
   42,923.25/65,665.69 = 65,665.69/x
3. Step 3: Cross multiply
   42,923.25x = 65,665.69 × 65,665.69
4. Step 4: Simplify right side
   42,923.25x = 4,311,982,514.85
5. Step 5: Solve for x
   x = 4,311,982,514.85/42,923.25
6. Step 6: Final answer
   x = 100,457.97