Finding the Third Proportional to 478.50 and 1,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   478.50 : 1,048.50 = 1,048.50 : x
2. Step 2: Convert to fraction form
   478.50/1,048.50 = 1,048.50/x
3. Step 3: Cross multiply
   478.50x = 1,048.50 × 1,048.50
4. Step 4: Simplify right side
   478.50x = 1,099,352.25
5. Step 5: Solve for x
   x = 1,099,352.25/478.50
6. Step 6: Final answer
   x = 2,297.50