Finding the Third Proportional to 19,978.50 and 43,845

Step by Step Solution

1. Step 1: Write the proportion equation
   19,978.50 : 43,845 = 43,845 : x
2. Step 2: Convert to fraction form
   19,978.50/43,845 = 43,845/x
3. Step 3: Cross multiply
   19,978.50x = 43,845 × 43,845
4. Step 4: Simplify right side
   19,978.50x = 1,922,384,025
5. Step 5: Solve for x
   x = 1,922,384,025/19,978.50
6. Step 6: Final answer
   x = 96,222.64