Finding the Third Proportional to 18,262.69 and 39,876.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,262.69 : 39,876.75 = 39,876.75 : x
2. Step 2: Convert to fraction form
   18,262.69/39,876.75 = 39,876.75/x
3. Step 3: Cross multiply
   18,262.69x = 39,876.75 × 39,876.75
4. Step 4: Simplify right side
   18,262.69x = 1,590,155,190.56
5. Step 5: Solve for x
   x = 1,590,155,190.56/18,262.69
6. Step 6: Final answer
   x = 87,071.26