Finding the Third Proportional to 8,140.50 and 16,987.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,140.50 : 16,987.22 = 16,987.22 : x
2. Step 2: Convert to fraction form
   8,140.50/16,987.22 = 16,987.22/x
3. Step 3: Cross multiply
   8,140.50x = 16,987.22 × 16,987.22
4. Step 4: Simplify right side
   8,140.50x = 288,565,600.86
5. Step 5: Solve for x
   x = 288,565,600.86/8,140.50
6. Step 6: Final answer
   x = 35,448.14