Finding the Third Proportional to 128,094 and 192,553.50

Step by Step Solution

1. Step 1: Write the proportion equation
   128,094 : 192,553.50 = 192,553.50 : x
2. Step 2: Convert to fraction form
   128,094/192,553.50 = 192,553.50/x
3. Step 3: Cross multiply
   128,094x = 192,553.50 × 192,553.50
4. Step 4: Simplify right side
   128,094x = 37,076,850,362.25
5. Step 5: Solve for x
   x = 37,076,850,362.25/128,094
6. Step 6: Final answer
   x = 289,450.33