Finding the Third Proportional to 155,512.50 and 333,765

Step by Step Solution

1. Step 1: Write the proportion equation
   155,512.50 : 333,765 = 333,765 : x
2. Step 2: Convert to fraction form
   155,512.50/333,765 = 333,765/x
3. Step 3: Cross multiply
   155,512.50x = 333,765 × 333,765
4. Step 4: Simplify right side
   155,512.50x = 111,399,075,225
5. Step 5: Solve for x
   x = 111,399,075,225/155,512.50
6. Step 6: Final answer
   x = 716,335.18