Finding the Third Proportional to 10,119.15 and 14,154.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,119.15 : 14,154.28 = 14,154.28 : x
2. Step 2: Convert to fraction form
   10,119.15/14,154.28 = 14,154.28/x
3. Step 3: Cross multiply
   10,119.15x = 14,154.28 × 14,154.28
4. Step 4: Simplify right side
   10,119.15x = 200,343,511.83
5. Step 5: Solve for x
   x = 200,343,511.83/10,119.15
6. Step 6: Final answer
   x = 19,798.46