Finding the Third Proportional to 17,609.50 and 36,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,609.50 : 36,672.50 = 36,672.50 : x
2. Step 2: Convert to fraction form
   17,609.50/36,672.50 = 36,672.50/x
3. Step 3: Cross multiply
   17,609.50x = 36,672.50 × 36,672.50
4. Step 4: Simplify right side
   17,609.50x = 1,344,872,256.25
5. Step 5: Solve for x
   x = 1,344,872,256.25/17,609.50
6. Step 6: Final answer
   x = 76,371.97