Finding the Third Proportional to 7,172.63 and 10,910.63

Step by Step Solution

1. Step 1: Write the proportion equation
   7,172.63 : 10,910.63 = 10,910.63 : x
2. Step 2: Convert to fraction form
   7,172.63/10,910.63 = 10,910.63/x
3. Step 3: Cross multiply
   7,172.63x = 10,910.63 × 10,910.63
4. Step 4: Simplify right side
   7,172.63x = 119,041,737.89
5. Step 5: Solve for x
   x = 119,041,737.89/7,172.63
6. Step 6: Final answer
   x = 16,596.68