Finding the Third Proportional to 42,972.94 and 65,571.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,972.94 : 65,571.75 = 65,571.75 : x
2. Step 2: Convert to fraction form
   42,972.94/65,571.75 = 65,571.75/x
3. Step 3: Cross multiply
   42,972.94x = 65,571.75 × 65,571.75
4. Step 4: Simplify right side
   42,972.94x = 4,299,654,398.06
5. Step 5: Solve for x
   x = 4,299,654,398.06/42,972.94
6. Step 6: Final answer
   x = 100,054.93