Finding the Third Proportional to 89,355.50 and 192,440

Step by Step Solution

1. Step 1: Write the proportion equation
   89,355.50 : 192,440 = 192,440 : x
2. Step 2: Convert to fraction form
   89,355.50/192,440 = 192,440/x
3. Step 3: Cross multiply
   89,355.50x = 192,440 × 192,440
4. Step 4: Simplify right side
   89,355.50x = 37,033,153,600
5. Step 5: Solve for x
   x = 37,033,153,600/89,355.50
6. Step 6: Final answer
   x = 414,447.39