Finding the Third Proportional to 945.50 and 1,418.50

Step by Step Solution

1. Step 1: Write the proportion equation
   945.50 : 1,418.50 = 1,418.50 : x
2. Step 2: Convert to fraction form
   945.50/1,418.50 = 1,418.50/x
3. Step 3: Cross multiply
   945.50x = 1,418.50 × 1,418.50
4. Step 4: Simplify right side
   945.50x = 2,012,142.25
5. Step 5: Solve for x
   x = 2,012,142.25/945.50
6. Step 6: Final answer
   x = 2,128.13