Finding the Third Proportional to 155,437.50 and 246,945

Step by Step Solution

1. Step 1: Write the proportion equation
   155,437.50 : 246,945 = 246,945 : x
2. Step 2: Convert to fraction form
   155,437.50/246,945 = 246,945/x
3. Step 3: Cross multiply
   155,437.50x = 246,945 × 246,945
4. Step 4: Simplify right side
   155,437.50x = 60,981,833,025
5. Step 5: Solve for x
   x = 60,981,833,025/155,437.50
6. Step 6: Final answer
   x = 392,323.82