Finding the Third Proportional to 1,488 and 3,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488 : 3,814.50 = 3,814.50 : x
2. Step 2: Convert to fraction form
   1,488/3,814.50 = 3,814.50/x
3. Step 3: Cross multiply
   1,488x = 3,814.50 × 3,814.50
4. Step 4: Simplify right side
   1,488x = 14,550,410.25
5. Step 5: Solve for x
   x = 14,550,410.25/1,488
6. Step 6: Final answer
   x = 9,778.50