Finding the Third Proportional to 11,809.13 and 16,513.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,809.13 : 16,513.88 = 16,513.88 : x
2. Step 2: Convert to fraction form
   11,809.13/16,513.88 = 16,513.88/x
3. Step 3: Cross multiply
   11,809.13x = 16,513.88 × 16,513.88
4. Step 4: Simplify right side
   11,809.13x = 272,708,067.52
5. Step 5: Solve for x
   x = 272,708,067.52/11,809.13
6. Step 6: Final answer
   x = 23,093.00