Finding the Third Proportional to 72,081 and 165,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,081 : 165,910.50 = 165,910.50 : x
2. Step 2: Convert to fraction form
   72,081/165,910.50 = 165,910.50/x
3. Step 3: Cross multiply
   72,081x = 165,910.50 × 165,910.50
4. Step 4: Simplify right side
   72,081x = 27,526,294,010.25
5. Step 5: Solve for x
   x = 27,526,294,010.25/72,081
6. Step 6: Final answer
   x = 381,880.02