Finding the Third Proportional to 18,187.88 and 28,051.31

Step by Step Solution

1. Step 1: Write the proportion equation
   18,187.88 : 28,051.31 = 28,051.31 : x
2. Step 2: Convert to fraction form
   18,187.88/28,051.31 = 28,051.31/x
3. Step 3: Cross multiply
   18,187.88x = 28,051.31 × 28,051.31
4. Step 4: Simplify right side
   18,187.88x = 786,876,132.97
5. Step 5: Solve for x
   x = 786,876,132.97/18,187.88
6. Step 6: Final answer
   x = 43,263.78