Finding the Third Proportional to 8,220 and 17,941.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,220 : 17,941.50 = 17,941.50 : x
2. Step 2: Convert to fraction form
   8,220/17,941.50 = 17,941.50/x
3. Step 3: Cross multiply
   8,220x = 17,941.50 × 17,941.50
4. Step 4: Simplify right side
   8,220x = 321,897,422.25
5. Step 5: Solve for x
   x = 321,897,422.25/8,220
6. Step 6: Final answer
   x = 39,160.27