Finding the Third Proportional to 8,208 and 17,902.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,208 : 17,902.50 = 17,902.50 : x
2. Step 2: Convert to fraction form
   8,208/17,902.50 = 17,902.50/x
3. Step 3: Cross multiply
   8,208x = 17,902.50 × 17,902.50
4. Step 4: Simplify right side
   8,208x = 320,499,506.25
5. Step 5: Solve for x
   x = 320,499,506.25/8,208
6. Step 6: Final answer
   x = 39,047.21