Finding the Third Proportional to 9,061.50 and 18,939

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.50 : 18,939 = 18,939 : x
2. Step 2: Convert to fraction form
   9,061.50/18,939 = 18,939/x
3. Step 3: Cross multiply
   9,061.50x = 18,939 × 18,939
4. Step 4: Simplify right side
   9,061.50x = 358,685,721
5. Step 5: Solve for x
   x = 358,685,721/9,061.50
6. Step 6: Final answer
   x = 39,583.48