Finding the Third Proportional to 11,671.88 and 17,777.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,671.88 : 17,777.81 = 17,777.81 : x
2. Step 2: Convert to fraction form
   11,671.88/17,777.81 = 17,777.81/x
3. Step 3: Cross multiply
   11,671.88x = 17,777.81 × 17,777.81
4. Step 4: Simplify right side
   11,671.88x = 316,050,617.29
5. Step 5: Solve for x
   x = 316,050,617.29/11,671.88
6. Step 6: Final answer
   x = 27,077.96