Finding the Third Proportional to 155,275 and 235,242.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,275 : 235,242.50 = 235,242.50 : x
2. Step 2: Convert to fraction form
   155,275/235,242.50 = 235,242.50/x
3. Step 3: Cross multiply
   155,275x = 235,242.50 × 235,242.50
4. Step 4: Simplify right side
   155,275x = 55,339,033,806.25
5. Step 5: Solve for x
   x = 55,339,033,806.25/155,275
6. Step 6: Final answer
   x = 356,393.71