Finding the Third Proportional to 11,820.94 and 17,875.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,820.94 : 17,875.69 = 17,875.69 : x
2. Step 2: Convert to fraction form
   11,820.94/17,875.69 = 17,875.69/x
3. Step 3: Cross multiply
   11,820.94x = 17,875.69 × 17,875.69
4. Step 4: Simplify right side
   11,820.94x = 319,540,203.60
5. Step 5: Solve for x
   x = 319,540,203.60/11,820.94
6. Step 6: Final answer
   x = 27,031.71