Finding the Third Proportional to 14,215.50 and 33,210

Step by Step Solution

1. Step 1: Write the proportion equation
   14,215.50 : 33,210 = 33,210 : x
2. Step 2: Convert to fraction form
   14,215.50/33,210 = 33,210/x
3. Step 3: Cross multiply
   14,215.50x = 33,210 × 33,210
4. Step 4: Simplify right side
   14,215.50x = 1,102,904,100
5. Step 5: Solve for x
   x = 1,102,904,100/14,215.50
6. Step 6: Final answer
   x = 77,584.62