Finding the Third Proportional to 10,385.72 and 22,715.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,385.72 : 22,715.44 = 22,715.44 : x
2. Step 2: Convert to fraction form
   10,385.72/22,715.44 = 22,715.44/x
3. Step 3: Cross multiply
   10,385.72x = 22,715.44 × 22,715.44
4. Step 4: Simplify right side
   10,385.72x = 515,991,100.82
5. Step 5: Solve for x
   x = 515,991,100.82/10,385.72
6. Step 6: Final answer
   x = 49,682.75