Finding the Third Proportional to 155,521.50 and 335,853

Step by Step Solution

1. Step 1: Write the proportion equation
   155,521.50 : 335,853 = 335,853 : x
2. Step 2: Convert to fraction form
   155,521.50/335,853 = 335,853/x
3. Step 3: Cross multiply
   155,521.50x = 335,853 × 335,853
4. Step 4: Simplify right side
   155,521.50x = 112,797,237,609
5. Step 5: Solve for x
   x = 112,797,237,609/155,521.50
6. Step 6: Final answer
   x = 725,283.88