Finding the Third Proportional to 206,893.50 and 443,316

Step by Step Solution

1. Step 1: Write the proportion equation
   206,893.50 : 443,316 = 443,316 : x
2. Step 2: Convert to fraction form
   206,893.50/443,316 = 443,316/x
3. Step 3: Cross multiply
   206,893.50x = 443,316 × 443,316
4. Step 4: Simplify right side
   206,893.50x = 196,529,075,856
5. Step 5: Solve for x
   x = 196,529,075,856/206,893.50
6. Step 6: Final answer
   x = 949,904.54