Finding the Third Proportional to 155,398.50 and 245,592

Step by Step Solution

1. Step 1: Write the proportion equation
   155,398.50 : 245,592 = 245,592 : x
2. Step 2: Convert to fraction form
   155,398.50/245,592 = 245,592/x
3. Step 3: Cross multiply
   155,398.50x = 245,592 × 245,592
4. Step 4: Simplify right side
   155,398.50x = 60,315,430,464
5. Step 5: Solve for x
   x = 60,315,430,464/155,398.50
6. Step 6: Final answer
   x = 388,133.93