Finding the Third Proportional to 155,472 and 335,520

Step by Step Solution

1. Step 1: Write the proportion equation
   155,472 : 335,520 = 335,520 : x
2. Step 2: Convert to fraction form
   155,472/335,520 = 335,520/x
3. Step 3: Cross multiply
   155,472x = 335,520 × 335,520
4. Step 4: Simplify right side
   155,472x = 112,573,670,400
5. Step 5: Solve for x
   x = 112,573,670,400/155,472
6. Step 6: Final answer
   x = 724,076.81