Finding the Third Proportional to 155,915 and 235,282.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,915 : 235,282.50 = 235,282.50 : x
2. Step 2: Convert to fraction form
   155,915/235,282.50 = 235,282.50/x
3. Step 3: Cross multiply
   155,915x = 235,282.50 × 235,282.50
4. Step 4: Simplify right side
   155,915x = 55,357,854,806.25
5. Step 5: Solve for x
   x = 55,357,854,806.25/155,915
6. Step 6: Final answer
   x = 355,051.50