Finding the Third Proportional to 1,801.69 and 3,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.69 : 3,910.50 = 3,910.50 : x
2. Step 2: Convert to fraction form
   1,801.69/3,910.50 = 3,910.50/x
3. Step 3: Cross multiply
   1,801.69x = 3,910.50 × 3,910.50
4. Step 4: Simplify right side
   1,801.69x = 15,292,010.25
5. Step 5: Solve for x
   x = 15,292,010.25/1,801.69
6. Step 6: Final answer
   x = 8,487.60