Finding the Third Proportional to 15,957 and 21,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,957 : 21,892.50 = 21,892.50 : x
2. Step 2: Convert to fraction form
   15,957/21,892.50 = 21,892.50/x
3. Step 3: Cross multiply
   15,957x = 21,892.50 × 21,892.50
4. Step 4: Simplify right side
   15,957x = 479,281,556.25
5. Step 5: Solve for x
   x = 479,281,556.25/15,957
6. Step 6: Final answer
   x = 30,035.82