Finding the Third Proportional to 31,908.75 and 70,338

Step by Step Solution

1. Step 1: Write the proportion equation
   31,908.75 : 70,338 = 70,338 : x
2. Step 2: Convert to fraction form
   31,908.75/70,338 = 70,338/x
3. Step 3: Cross multiply
   31,908.75x = 70,338 × 70,338
4. Step 4: Simplify right side
   31,908.75x = 4,947,434,244
5. Step 5: Solve for x
   x = 4,947,434,244/31,908.75
6. Step 6: Final answer
   x = 155,049.45