Finding the Third Proportional to 11,761.88 and 28,447.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,761.88 : 28,447.31 = 28,447.31 : x
2. Step 2: Convert to fraction form
   11,761.88/28,447.31 = 28,447.31/x
3. Step 3: Cross multiply
   11,761.88x = 28,447.31 × 28,447.31
4. Step 4: Simplify right side
   11,761.88x = 809,249,588.47
5. Step 5: Solve for x
   x = 809,249,588.47/11,761.88
6. Step 6: Final answer
   x = 68,802.77