Finding the Third Proportional to 42,738.75 and 70,935.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,738.75 : 70,935.75 = 70,935.75 : x
2. Step 2: Convert to fraction form
   42,738.75/70,935.75 = 70,935.75/x
3. Step 3: Cross multiply
   42,738.75x = 70,935.75 × 70,935.75
4. Step 4: Simplify right side
   42,738.75x = 5,031,880,628.06
5. Step 5: Solve for x
   x = 5,031,880,628.06/42,738.75
6. Step 6: Final answer
   x = 117,735.79