Finding the Third Proportional to 7,791.50 and 10,644.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,791.50 : 10,644.88 = 10,644.88 : x
2. Step 2: Convert to fraction form
   7,791.50/10,644.88 = 10,644.88/x
3. Step 3: Cross multiply
   7,791.50x = 10,644.88 × 10,644.88
4. Step 4: Simplify right side
   7,791.50x = 113,313,363.77
5. Step 5: Solve for x
   x = 113,313,363.77/7,791.50
6. Step 6: Final answer
   x = 14,543.20