Finding the Third Proportional to 12,998.50 and 20,933.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,998.50 : 20,933.25 = 20,933.25 : x
2. Step 2: Convert to fraction form
   12,998.50/20,933.25 = 20,933.25/x
3. Step 3: Cross multiply
   12,998.50x = 20,933.25 × 20,933.25
4. Step 4: Simplify right side
   12,998.50x = 438,200,955.56
5. Step 5: Solve for x
   x = 438,200,955.56/12,998.50
6. Step 6: Final answer
   x = 33,711.66