Finding the Third Proportional to 89,964.50 and 192,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,964.50 : 192,385.50 = 192,385.50 : x
2. Step 2: Convert to fraction form
   89,964.50/192,385.50 = 192,385.50/x
3. Step 3: Cross multiply
   89,964.50x = 192,385.50 × 192,385.50
4. Step 4: Simplify right side
   89,964.50x = 37,012,180,610.25
5. Step 5: Solve for x
   x = 37,012,180,610.25/89,964.50
6. Step 6: Final answer
   x = 411,408.73