Finding the Third Proportional to 18,169.31 and 28,076.63

Step by Step Solution

1. Step 1: Write the proportion equation
   18,169.31 : 28,076.63 = 28,076.63 : x
2. Step 2: Convert to fraction form
   18,169.31/28,076.63 = 28,076.63/x
3. Step 3: Cross multiply
   18,169.31x = 28,076.63 × 28,076.63
4. Step 4: Simplify right side
   18,169.31x = 788,296,871.39
5. Step 5: Solve for x
   x = 788,296,871.39/18,169.31
6. Step 6: Final answer
   x = 43,386.17