Finding the Third Proportional to 7,939.69 and 16,972.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,939.69 : 16,972.31 = 16,972.31 : x
2. Step 2: Convert to fraction form
   7,939.69/16,972.31 = 16,972.31/x
3. Step 3: Cross multiply
   7,939.69x = 16,972.31 × 16,972.31
4. Step 4: Simplify right side
   7,939.69x = 288,059,391.60
5. Step 5: Solve for x
   x = 288,059,391.60/7,939.69
6. Step 6: Final answer
   x = 36,280.95