Finding the Third Proportional to 155,452.50 and 335,718

Step by Step Solution

1. Step 1: Write the proportion equation
   155,452.50 : 335,718 = 335,718 : x
2. Step 2: Convert to fraction form
   155,452.50/335,718 = 335,718/x
3. Step 3: Cross multiply
   155,452.50x = 335,718 × 335,718
4. Step 4: Simplify right side
   155,452.50x = 112,706,575,524
5. Step 5: Solve for x
   x = 112,706,575,524/155,452.50
6. Step 6: Final answer
   x = 725,022.60