Finding the Third Proportional to 8,620 and 17,793.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,620 : 17,793.50 = 17,793.50 : x
2. Step 2: Convert to fraction form
   8,620/17,793.50 = 17,793.50/x
3. Step 3: Cross multiply
   8,620x = 17,793.50 × 17,793.50
4. Step 4: Simplify right side
   8,620x = 316,608,642.25
5. Step 5: Solve for x
   x = 316,608,642.25/8,620
6. Step 6: Final answer
   x = 36,729.54