Finding the Third Proportional to 1,910.25 and 4,180.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.25 : 4,180.50 = 4,180.50 : x
2. Step 2: Convert to fraction form
   1,910.25/4,180.50 = 4,180.50/x
3. Step 3: Cross multiply
   1,910.25x = 4,180.50 × 4,180.50
4. Step 4: Simplify right side
   1,910.25x = 17,476,580.25
5. Step 5: Solve for x
   x = 17,476,580.25/1,910.25
6. Step 6: Final answer
   x = 9,148.84