Finding the Third Proportional to 18,448 and 27,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,448 : 27,690.50 = 27,690.50 : x
2. Step 2: Convert to fraction form
   18,448/27,690.50 = 27,690.50/x
3. Step 3: Cross multiply
   18,448x = 27,690.50 × 27,690.50
4. Step 4: Simplify right side
   18,448x = 766,763,790.25
5. Step 5: Solve for x
   x = 766,763,790.25/18,448
6. Step 6: Final answer
   x = 41,563.52