Finding the Third Proportional to 7,889.91 and 16,865.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,889.91 : 16,865.72 = 16,865.72 : x
2. Step 2: Convert to fraction form
   7,889.91/16,865.72 = 16,865.72/x
3. Step 3: Cross multiply
   7,889.91x = 16,865.72 × 16,865.72
4. Step 4: Simplify right side
   7,889.91x = 284,452,468.95
5. Step 5: Solve for x
   x = 284,452,468.95/7,889.91
6. Step 6: Final answer
   x = 36,052.71