Finding the Third Proportional to 206,905.50 and 443,340

Step by Step Solution

1. Step 1: Write the proportion equation
   206,905.50 : 443,340 = 443,340 : x
2. Step 2: Convert to fraction form
   206,905.50/443,340 = 443,340/x
3. Step 3: Cross multiply
   206,905.50x = 443,340 × 443,340
4. Step 4: Simplify right side
   206,905.50x = 196,550,355,600
5. Step 5: Solve for x
   x = 196,550,355,600/206,905.50
6. Step 6: Final answer
   x = 949,952.30