Finding the Third Proportional to 20,992.50 and 34,688.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,992.50 : 34,688.25 = 34,688.25 : x
2. Step 2: Convert to fraction form
   20,992.50/34,688.25 = 34,688.25/x
3. Step 3: Cross multiply
   20,992.50x = 34,688.25 × 34,688.25
4. Step 4: Simplify right side
   20,992.50x = 1,203,274,688.06
5. Step 5: Solve for x
   x = 1,203,274,688.06/20,992.50
6. Step 6: Final answer
   x = 57,319.27