Finding the Third Proportional to 11,000.81 and 17,485.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,000.81 : 17,485.88 = 17,485.88 : x
2. Step 2: Convert to fraction form
   11,000.81/17,485.88 = 17,485.88/x
3. Step 3: Cross multiply
   11,000.81x = 17,485.88 × 17,485.88
4. Step 4: Simplify right side
   11,000.81x = 305,755,824.52
5. Step 5: Solve for x
   x = 305,755,824.52/11,000.81
6. Step 6: Final answer
   x = 27,793.93