Finding the Third Proportional to 938.50 and 1,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   938.50 : 1,408.50 = 1,408.50 : x
2. Step 2: Convert to fraction form
   938.50/1,408.50 = 1,408.50/x
3. Step 3: Cross multiply
   938.50x = 1,408.50 × 1,408.50
4. Step 4: Simplify right side
   938.50x = 1,983,872.25
5. Step 5: Solve for x
   x = 1,983,872.25/938.50
6. Step 6: Final answer
   x = 2,113.88