Finding the Third Proportional to 12,501 and 20,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,501 : 20,839.50 = 20,839.50 : x
2. Step 2: Convert to fraction form
   12,501/20,839.50 = 20,839.50/x
3. Step 3: Cross multiply
   12,501x = 20,839.50 × 20,839.50
4. Step 4: Simplify right side
   12,501x = 434,284,760.25
5. Step 5: Solve for x
   x = 434,284,760.25/12,501
6. Step 6: Final answer
   x = 34,740.00