Finding the Third Proportional to 7,718.63 and 11,152.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,718.63 : 11,152.69 = 11,152.69 : x
2. Step 2: Convert to fraction form
   7,718.63/11,152.69 = 11,152.69/x
3. Step 3: Cross multiply
   7,718.63x = 11,152.69 × 11,152.69
4. Step 4: Simplify right side
   7,718.63x = 124,382,438.47
5. Step 5: Solve for x
   x = 124,382,438.47/7,718.63
6. Step 6: Final answer
   x = 16,114.58