Finding the Third Proportional to 14,008.50 and 30,609

Step by Step Solution

1. Step 1: Write the proportion equation
   14,008.50 : 30,609 = 30,609 : x
2. Step 2: Convert to fraction form
   14,008.50/30,609 = 30,609/x
3. Step 3: Cross multiply
   14,008.50x = 30,609 × 30,609
4. Step 4: Simplify right side
   14,008.50x = 936,910,881
5. Step 5: Solve for x
   x = 936,910,881/14,008.50
6. Step 6: Final answer
   x = 66,881.60