Finding the Third Proportional to 155,970 and 235,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,970 : 235,359.50 = 235,359.50 : x
2. Step 2: Convert to fraction form
   155,970/235,359.50 = 235,359.50/x
3. Step 3: Cross multiply
   155,970x = 235,359.50 × 235,359.50
4. Step 4: Simplify right side
   155,970x = 55,394,094,240.25
5. Step 5: Solve for x
   x = 55,394,094,240.25/155,970
6. Step 6: Final answer
   x = 355,158.65