Finding the Third Proportional to 19,642.50 and 41,715

Step by Step Solution

1. Step 1: Write the proportion equation
   19,642.50 : 41,715 = 41,715 : x
2. Step 2: Convert to fraction form
   19,642.50/41,715 = 41,715/x
3. Step 3: Cross multiply
   19,642.50x = 41,715 × 41,715
4. Step 4: Simplify right side
   19,642.50x = 1,740,141,225
5. Step 5: Solve for x
   x = 1,740,141,225/19,642.50
6. Step 6: Final answer
   x = 88,590.62