Finding the Third Proportional to 20,215.50 and 28,946.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,215.50 : 28,946.75 = 28,946.75 : x
2. Step 2: Convert to fraction form
   20,215.50/28,946.75 = 28,946.75/x
3. Step 3: Cross multiply
   20,215.50x = 28,946.75 × 28,946.75
4. Step 4: Simplify right side
   20,215.50x = 837,914,335.56
5. Step 5: Solve for x
   x = 837,914,335.56/20,215.50
6. Step 6: Final answer
   x = 41,449.10