Finding the Third Proportional to 1,237.50 and 2,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,237.50 : 2,443.50 = 2,443.50 : x
2. Step 2: Convert to fraction form
   1,237.50/2,443.50 = 2,443.50/x
3. Step 3: Cross multiply
   1,237.50x = 2,443.50 × 2,443.50
4. Step 4: Simplify right side
   1,237.50x = 5,970,692.25
5. Step 5: Solve for x
   x = 5,970,692.25/1,237.50
6. Step 6: Final answer
   x = 4,824.80