Finding the Third Proportional to 7,209 and 17,635.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,209 : 17,635.50 = 17,635.50 : x
2. Step 2: Convert to fraction form
   7,209/17,635.50 = 17,635.50/x
3. Step 3: Cross multiply
   7,209x = 17,635.50 × 17,635.50
4. Step 4: Simplify right side
   7,209x = 311,010,860.25
5. Step 5: Solve for x
   x = 311,010,860.25/7,209
6. Step 6: Final answer
   x = 43,142.03