Finding the Third Proportional to 209,286 and 458,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   209,286 : 458,383.50 = 458,383.50 : x
2. Step 2: Convert to fraction form
   209,286/458,383.50 = 458,383.50/x
3. Step 3: Cross multiply
   209,286x = 458,383.50 × 458,383.50
4. Step 4: Simplify right side
   209,286x = 210,115,433,072.25
5. Step 5: Solve for x
   x = 210,115,433,072.25/209,286
6. Step 6: Final answer
   x = 1,003,963.16