Finding the Third Proportional to 508.50 and 1,109.25

Step by Step Solution

1. Step 1: Write the proportion equation
   508.50 : 1,109.25 = 1,109.25 : x
2. Step 2: Convert to fraction form
   508.50/1,109.25 = 1,109.25/x
3. Step 3: Cross multiply
   508.50x = 1,109.25 × 1,109.25
4. Step 4: Simplify right side
   508.50x = 1,230,435.56
5. Step 5: Solve for x
   x = 1,230,435.56/508.50
6. Step 6: Final answer
   x = 2,419.74