Finding the Third Proportional to 89,039.25 and 192,123

Step by Step Solution

1. Step 1: Write the proportion equation
   89,039.25 : 192,123 = 192,123 : x
2. Step 2: Convert to fraction form
   89,039.25/192,123 = 192,123/x
3. Step 3: Cross multiply
   89,039.25x = 192,123 × 192,123
4. Step 4: Simplify right side
   89,039.25x = 36,911,247,129
5. Step 5: Solve for x
   x = 36,911,247,129/89,039.25
6. Step 6: Final answer
   x = 414,550.29