Finding the Third Proportional to 7,434 and 11,111.63

Step by Step Solution

1. Step 1: Write the proportion equation
   7,434 : 11,111.63 = 11,111.63 : x
2. Step 2: Convert to fraction form
   7,434/11,111.63 = 11,111.63/x
3. Step 3: Cross multiply
   7,434x = 11,111.63 × 11,111.63
4. Step 4: Simplify right side
   7,434x = 123,468,210.14
5. Step 5: Solve for x
   x = 123,468,210.14/7,434
6. Step 6: Final answer
   x = 16,608.58