Finding the Third Proportional to 15,891 and 33,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,891 : 33,892.50 = 33,892.50 : x
2. Step 2: Convert to fraction form
   15,891/33,892.50 = 33,892.50/x
3. Step 3: Cross multiply
   15,891x = 33,892.50 × 33,892.50
4. Step 4: Simplify right side
   15,891x = 1,148,701,556.25
5. Step 5: Solve for x
   x = 1,148,701,556.25/15,891
6. Step 6: Final answer
   x = 72,286.30