Finding the Third Proportional to 155,456.50 and 335,726

Step by Step Solution

1. Step 1: Write the proportion equation
   155,456.50 : 335,726 = 335,726 : x
2. Step 2: Convert to fraction form
   155,456.50/335,726 = 335,726/x
3. Step 3: Cross multiply
   155,456.50x = 335,726 × 335,726
4. Step 4: Simplify right side
   155,456.50x = 112,711,947,076
5. Step 5: Solve for x
   x = 112,711,947,076/155,456.50
6. Step 6: Final answer
   x = 725,038.50