Finding the Third Proportional to 203,706 and 438,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   203,706 : 438,616.50 = 438,616.50 : x
2. Step 2: Convert to fraction form
   203,706/438,616.50 = 438,616.50/x
3. Step 3: Cross multiply
   203,706x = 438,616.50 × 438,616.50
4. Step 4: Simplify right side
   203,706x = 192,384,434,072.25
5. Step 5: Solve for x
   x = 192,384,434,072.25/203,706
6. Step 6: Final answer
   x = 944,422.03