Finding the Third Proportional to 155,911.50 and 235,278

Step by Step Solution

1. Step 1: Write the proportion equation
   155,911.50 : 235,278 = 235,278 : x
2. Step 2: Convert to fraction form
   155,911.50/235,278 = 235,278/x
3. Step 3: Cross multiply
   155,911.50x = 235,278 × 235,278
4. Step 4: Simplify right side
   155,911.50x = 55,355,737,284
5. Step 5: Solve for x
   x = 55,355,737,284/155,911.50
6. Step 6: Final answer
   x = 355,045.89