Finding the Third Proportional to 10,030.50 and 12,984.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,030.50 : 12,984.75 = 12,984.75 : x
2. Step 2: Convert to fraction form
   10,030.50/12,984.75 = 12,984.75/x
3. Step 3: Cross multiply
   10,030.50x = 12,984.75 × 12,984.75
4. Step 4: Simplify right side
   10,030.50x = 168,603,732.56
5. Step 5: Solve for x
   x = 168,603,732.56/10,030.50
6. Step 6: Final answer
   x = 16,809.11