Finding the Third Proportional to 162,931.50 and 245,439

Step by Step Solution

1. Step 1: Write the proportion equation
   162,931.50 : 245,439 = 245,439 : x
2. Step 2: Convert to fraction form
   162,931.50/245,439 = 245,439/x
3. Step 3: Cross multiply
   162,931.50x = 245,439 × 245,439
4. Step 4: Simplify right side
   162,931.50x = 60,240,302,721
5. Step 5: Solve for x
   x = 60,240,302,721/162,931.50
6. Step 6: Final answer
   x = 369,727.79