Finding the Third Proportional to 10,170 and 20,967.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,170 : 20,967.50 = 20,967.50 : x
2. Step 2: Convert to fraction form
   10,170/20,967.50 = 20,967.50/x
3. Step 3: Cross multiply
   10,170x = 20,967.50 × 20,967.50
4. Step 4: Simplify right side
   10,170x = 439,636,056.25
5. Step 5: Solve for x
   x = 439,636,056.25/10,170
6. Step 6: Final answer
   x = 43,228.72