Finding the Third Proportional to 11,671.13 and 17,776.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,671.13 : 17,776.69 = 17,776.69 : x
2. Step 2: Convert to fraction form
   11,671.13/17,776.69 = 17,776.69/x
3. Step 3: Cross multiply
   11,671.13x = 17,776.69 × 17,776.69
4. Step 4: Simplify right side
   11,671.13x = 316,010,618.47
5. Step 5: Solve for x
   x = 316,010,618.47/11,671.13
6. Step 6: Final answer
   x = 27,076.28